The full script, every time
79 Knock Knock Jokes for Kids (Clean and Funny)
Every knock knock joke below is written out in full, from the first knock to the punchline, so kids can read the whole thing and tell it straight away.
What makes these jokes work
A knock knock joke is the first joke most children ever learn to perform, because it arrives with its own script. The teller knows exactly what to say, the listener knows exactly what to say back, and nobody has to improvise. That call-and-response structure is why a four-year-old can land one perfectly on the tenth attempt.
The trick is always in the name. "Lettuce" becomes "let us", "Havana" becomes "have a", "Cargo" becomes "car go". Once a child spots that a name can be pulled apart into other words, they usually start inventing their own within a week, which is the real point of the whole exercise.
Each joke here shows all five lines, so nobody gets stuck halfway through wondering what comes next. Open one, read it top to bottom, then close it and try telling it from memory.
How to tell them
- Say "Knock knock!" and then stop. Waiting for the "Who's there?" is part of the joke.
- Do not rush the third line. The name is the setup and it needs a beat.
- If the listener says the wrong thing, start again rather than pushing on. Kids find the restart funny too.
- Interrupting-cow style jokes need the teller to speak over the listener, so practise that one first.
- Learn three favourites rather than fifty. A short repertoire told well beats a long one told badly.
Easy knock knock jokes for ages 4-6
Short setups and instant punchlines, so a preschooler or kindergartener can remember the whole knock knock joke after hearing it once.
Knock knock! Who's there? Boo.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Boo
Listener: Boo who?
Joke teller: Don't cry, it's just a joke!
Knock knock! Who's there? Lettuce.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Lettuce
Listener: Lettuce who?
Joke teller: Lettuce in, it's cold out here!
Knock knock! Who's there? Orange.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Banana
Listener: Banana who?
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Banana
Listener: Banana who?
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Orange
Listener: Orange who?
Joke teller: Orange you glad I didn't say banana?
Knock knock! Who's there? Cow says.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Cow says
Listener: Cow says who?
Joke teller: No silly, cow says MOOO!
Knock knock! Who's there? Interrupting cow.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Interrupting cow
Listener: Interrupting cow wh—
Joke teller: MOOOOO!
Knock knock! Who's there? Who.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Who
Listener: Who who?
Joke teller: I didn't know you were an owl!
Knock knock! Who's there? Atch.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Atch
Listener: Atch who?
Joke teller: Bless you!
Knock knock! Who's there? Tank.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Tank
Listener: Tank who?
Joke teller: You're welcome!
Knock knock! Who's there? Ice cream.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Ice cream
Listener: Ice cream who?
Joke teller: Ice cream every time I see a spider!
Knock knock! Who's there? Dishes.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Dishes
Listener: Dishes who?
Joke teller: Dishes me, who are you?
Knock knock! Who's there? Justin.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Justin
Listener: Justin who?
Joke teller: Justin time for dinner!
Knock knock! Who's there? Candy.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Candy
Listener: Candy who?
Joke teller: Candy door open any faster?
Knock knock! Who's there? Ketchup.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Ketchup
Listener: Ketchup who?
Joke teller: Ketchup with me and I'll tell you!
Knock knock! Who's there? Water.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Water
Listener: Water who?
Joke teller: Water you doing in my house?
Knock knock! Who's there? Nana.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Nana
Listener: Nana who?
Joke teller: Nana your business!
Knock knock! Who's there? Broccoli.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Broccoli
Listener: Broccoli who?
Joke teller: Broccoli doesn't have a last name, silly!
Knock knock! Who's there? Beets.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Beets
Listener: Beets who?
Joke teller: Beets me, I forgot the rest of the joke!
Knock knock! Who's there? Iva.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Iva
Listener: Iva who?
Joke teller: Iva sore hand from all this knocking!
Knock knock! Who's there? Anita.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Anita
Listener: Anita who?
Joke teller: Anita borrow a pencil!
Knock knock! Who's there? Cargo.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Cargo
Listener: Cargo who?
Joke teller: Car go beep beep!
Knock knock! Who's there? Butter.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Butter
Listener: Butter who?
Joke teller: Butter let me in, it's chilly out here!
Knock knock! Who's there? Honeybee.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Honeybee
Listener: Honeybee who?
Joke teller: Honeybee a dear and open the door!
Knock knock! Who's there? Wanda.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Wanda
Listener: Wanda who?
Joke teller: Wanda hear another joke?
Knock knock! Who's there? Luke.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Luke
Listener: Luke who?
Joke teller: Luke through the window and you'll see!
Knock knock! Who's there? Turnip.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Turnip
Listener: Turnip who?
Joke teller: Turnip the music, it's a party!
Knock knock! Who's there? Howard.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Howard
Listener: Howard who?
Joke teller: Howard I know? I just got here!
Knock knock! Who's there? Snow.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Snow
Listener: Snow who?
Joke teller: Snow use, I forgot my key!
Knock knock! Who's there? Police.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Police
Listener: Police who?
Joke teller: Police open the door, it's freezing!
Knock knock! Who's there? Wire.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Wire
Listener: Wire who?
Joke teller: Wire you asking me so many questions?
Knock knock! Who's there? Waddle.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Waddle
Listener: Waddle who?
Joke teller: Waddle I do if you don't open this door?
Knock knock! Who's there? Chicken.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Chicken
Listener: Chicken who?
Joke teller: Chicken your pockets, I think you have my keys!
Knock knock! Who's there? Bacon.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Bacon
Listener: Bacon who?
Joke teller: Bacon a cake for your birthday!
Knock knock! Who's there? Donut.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Donut
Listener: Donut who?
Joke teller: Donut ask, it's a surprise!
Knock knock! Who's there? Otto.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Otto
Listener: Otto who?
Joke teller: Otto know, I completely forgot!
Knock knock! Who's there? Lena.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Lena
Listener: Lena who?
Joke teller: Lena little closer and I'll tell you!
Knock knock! Who's there? Abby.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Abby
Listener: Abby who?
Joke teller: Abby birthday to you!
Knock knock! Who's there? Ada.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Ada
Listener: Ada who?
Joke teller: Ada great big breakfast this morning!
Knock knock! Who's there? Scold.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Scold
Listener: Scold who?
Joke teller: Scold outside, please let me in!
Knock knock! Who's there? Egg.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Egg
Listener: Egg who?
Joke teller: Egg-cited to see you!
Knock knock! Who's there? Ice.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Ice
Listener: Ice who?
Joke teller: Ice see you peeking through the window!
Knock knock! Who's there? Kanga.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Kanga
Listener: Kanga who?
Joke teller: Actually, it's kangaroo!
Knock knock! Who's there? Robin.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Robin
Listener: Robin who?
Joke teller: Robin my hands together because it is cold!
Knock knock! Who's there? Knock knock! Who's there? Mary. Mary who?.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Mary.
Listener: Mary who?
Joke teller: Mary Christmas!
Knock knock! Who's there? Pumpkin.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Pumpkin
Listener: Pumpkin who?
Joke teller: Pumpkin up the volume, it is a Halloween party!
Knock knock! Who's there? Knock knock! Who's there? Snow. Snow who?.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Snow.
Listener: Snow who?
Joke teller: Snow use, I forgot my name again!
Knock knock! Who's there? Knock knock! Who's there? Phillip. Phillip who?.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Phillip.
Listener: Phillip who?
Joke teller: Phillip my bag with candy!
Knock knock jokes for ages 7-9
A little more wordplay. These suit confident readers who have started noticing that words can mean two things at once.
Knock knock! Who's there? Olive.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Olive
Listener: Olive who?
Joke teller: Olive you and I miss you!
Knock knock! Who's there? Harry.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Harry
Listener: Harry who?
Joke teller: Harry up and open the door!
Knock knock! Who's there? Needle.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Needle
Listener: Needle who?
Joke teller: Needle little help opening the door!
Knock knock! Who's there? Spell.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Spell
Listener: Spell who?
Joke teller: W-H-O!
Knock knock! Who's there? Noah.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Noah
Listener: Noah who?
Joke teller: Noah good place to eat around here?
Knock knock! Who's there? Radio.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Radio
Listener: Radio who?
Joke teller: Radio not, here I come!
Knock knock! Who's there? Alpaca.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Alpaca
Listener: Alpaca who?
Joke teller: Alpaca the suitcase, you load the car!
Knock knock! Who's there? Cash.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Cash
Listener: Cash who?
Joke teller: No thanks, I would rather have a peanut!
Knock knock! Who's there? Figs.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Figs
Listener: Figs who?
Joke teller: Figs the doorbell, I've been knocking forever!
Knock knock! Who's there? Amos.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Amos
Listener: Amos who?
Joke teller: A mosquito bit me!
Knock knock! Who's there? Yukon.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Yukon
Listener: Yukon who?
Joke teller: Yukon say that again!
Knock knock! Who's there? Adore.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Adore
Listener: Adore who?
Joke teller: Adore is between us, so please open up!
Knock knock! Who's there? Pecan.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Pecan
Listener: Pecan who?
Joke teller: Pecan somebody your own size!
Knock knock! Who's there? Cereal.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Cereal
Listener: Cereal who?
Joke teller: Cereal pleasure to meet you!
Knock knock! Who's there? Mustache.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Mustache
Listener: Mustache who?
Joke teller: Mustache you a question, but I'll shave it for later!
Knock knock! Who's there? Weekend.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Weekend
Listener: Weekend who?
Joke teller: Weekend do anything we want!
Knock knock! Who's there? Theodore.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Theodore
Listener: Theodore who?
Joke teller: Theodore is stuck, can you help me push?
Knock knock! Who's there? Isabel.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Isabel
Listener: Isabel who?
Joke teller: Isabel broken? I had to knock!
Knock knock! Who's there? Tuna.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Tuna
Listener: Tuna who?
Joke teller: Tuna piano and it will sound much better!
Knock knock! Who's there? Watson.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Watson
Listener: Watson who?
Joke teller: Watson television tonight?
Knock knock! Who's there? Sherwood.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Sherwood
Listener: Sherwood who?
Joke teller: Sherwood like to come inside!
Knock knock! Who's there? Havana.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Havana
Listener: Havana who?
Joke teller: Havana great time, wish you were here!
Knock knock! Who's there? Handsome.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Handsome
Listener: Handsome who?
Joke teller: Handsome popcorn over here, please!
Knock knock! Who's there? Alaska.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Alaska
Listener: Alaska who?
Joke teller: Alaska my mom if I can come over!
Knock knock! Who's there? Dwayne.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Dwayne
Listener: Dwayne who?
Joke teller: Dwayne the bathtub, it's overflowing!
Knock knock! Who's there? Yolanda.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Yolanda
Listener: Yolanda who?
Joke teller: Yolanda me a hand with this door?
Knock knock! Who's there? Ken.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Ken
Listener: Ken who?
Joke teller: Ken you help me carry all these bags?
Knock knock! Who's there? Goliath.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Goliath
Listener: Goliath who?
Joke teller: Goliath down, you look sleepy!
Knock knock! Who's there? Norma Lee.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Norma Lee
Listener: Norma Lee who?
Joke teller: Norma Lee I have my key, but today I forgot it!
Cleverer knock knock jokes for ages 10-12
Puns and misdirection that reward a bit of thinking - good for tweens who claim they are too old for jokes.
Knock knock! Who's there? Wooden shoe.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Wooden shoe
Listener: Wooden shoe who?
Joke teller: Wooden shoe like to hear another joke?
Knock knock! Who's there? A little old lady.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: A little old lady
Listener: A little old lady who?
Joke teller: I didn't know you could yodel!
Knock knock! Who's there? Doctor.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Doctor
Listener: Doctor who?
Joke teller: That's my favorite show!
Knock knock! Who's there? Dozen.
Reveal the punchline!
Joke teller: Knock knock!
Listener: Who's there?
Joke teller: Dozen
Listener: Dozen who?
Joke teller: Dozen anybody want to let me in?
Common questions
What is the best knock knock joke for a young child?
Start with "Boo" ("Don't cry, it's just a joke!") or "Lettuce" ("Lettuce in, it's cold out here!"). Both use a single familiar word and the punchline arrives immediately, which is what makes them land for four and five year olds.
How does a knock knock joke actually work?
There are five lines and they never change: "Knock knock", "Who's there?", a name, that name plus "who?", then the punchline. The punchline works because the name sounds like the beginning of an ordinary sentence.
Are these knock knock jokes suitable for school?
Yes. Every joke on this page is clean, avoids put-downs and bathroom humour, and is safe to tell in a classroom, at a lunch table, or during a school assembly.
How can a child make up their own knock knock joke?
Pick a name that sounds like the start of a sentence - Ada, Wanda, Justin, Anita - then finish the sentence. "Anita" becomes "Anita borrow a pencil". Trying and failing at this is half the fun.
More kid-friendly laughs
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