The humble knock-knock joke is the universal gateway drug to comedy.
It is typically the very first joke a child learns to tell, requiring a partner, ritualistic call-and-response timing, and an audacious linguistic punchline. Yet despite their childlike reputation, the mechanics of a great knock-knock joke are surprisingly sophisticated: they rely on homophonic misdirection, auditory puns, and the sheer delight of a sudden conversational twist.
Much like the beloved family one-liners across our 100 best jokes for kids and our companion guide to 60 best April Fools jokes and pranks, these knock-knock jokes transcend eye-rolls to deliver genuine, infectious laughter.
Here are the 75 best knock-knock jokes, guaranteed to unlock giggles from kids and adults alike.
Food & Kitchen Wordplay (1–15)
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Knock, knock.
Who’s there?
Lettuce.
Lettuce who?
Lettuce in, it’s freezing out here! -
Knock, knock.
Who’s there?
Banana.
Banana who?
(Repeat 3 times)
Knock, knock.
Who’s there?
Orange.
Orange who?
Orange you glad I didn’t say banana again? -
Knock, knock.
Who’s there?
Donut.
Donut who?
Donut ask questions, just open the door! -
Knock, knock.
Who’s there?
Ice cream.
Ice cream who?
Ice cream every time I see a spider! -
Knock, knock.
Who’s there?
Butter.
Butter who?
Butter let me in or I’ll melt on the porch! -
Knock, knock.
Who’s there?
Bacon.
Bacon who?
Bacon a cake for your birthday! -
Knock, knock.
Who’s there?
Broccoli.
Broccoli who?
Broccoli doesn’t have a last name, silly! -
Knock, knock.
Who’s there?
Ketchup.
Ketchup who?
Ketchup with me and I’ll tell you! -
Knock, knock.
Who’s there?
Peanut butter.
Peanut butter who?
Peanut butter hurry up, I’m running late! -
Knock, knock.
Who’s there?
Olive.
Olive who?
Olive you and I don’t care who knows it! -
Knock, knock.
Who’s there?
Pasta.
Pasta who?
Pasta salt and pepper, please! -
Knock, knock.
Who’s there?
Berry.
Berry who?
Berry nice to meet you! -
Knock, knock.
Who’s there?
Honeydew.
Honeydew who?
Honeydew you want to hear another funny joke? -
Knock, knock.
Who’s there?
Cereal.
Cereal who?
Cereal-sly, are you going to open this door? -
Knock, knock.
Who’s there?
Pecan.
Pecan who?
Pecan somebody your own size!
Animal & Creature Chuckles (16–30)
-
Knock, knock.
Who’s there?
Cows go.
Cows go who?
No they don’t, cows go moo! -
Knock, knock.
Who’s there?
Owls say.
Owls say who?
Yes they do, you must be a wise bird! -
Knock, knock.
Who’s there?
Interrupting cow.
Interrupting c—
MOOOOO! -
Knock, knock.
Who’s there?
Gorilla.
Gorilla who?
Gorilla burger on the barbecue for lunch! -
Knock, knock.
Who’s there?
Bees.
Bees who?
Bees careful, the steps are slippery! -
Knock, knock.
Who’s there?
Alpaca.
Alpaca who?
Alpaca the trunk, you pack the suitcase! -
Knock, knock.
Who’s there?
Toucan.
Toucan who?
Toucan play that game! -
Knock, knock.
Who’s there?
Kangaroo.
Kangaroo who?
Kangaroo jump high enough to reach the top shelf? -
Knock, knock.
Who’s there?
Interrupting sloth.
Interrupting s—
(Wait 30 seconds in complete silence)
…S-l-o-o-o-w-l-y hello! -
Knock, knock.
Who’s there?
Fleas.
Fleas who?
Fleas open up, it’s raining outside! -
Knock, knock.
Who’s there?
Bear.
Bear who?
Bear with me, I’m trying to remember the punchline! -
Knock, knock.
Who’s there?
Lion.
Lion who?
Lion around all day is exhausting! -
Knock, knock.
Who’s there?
Alligator.
Alligator who?
Alligator up in a nice warm sweater today! -
Knock, knock.
Who’s there?
Duck.
Duck who?
Duck down, here comes a flying soccer ball! -
Knock, knock.
Who’s there?
Puppy.
Puppy who?
Puppy-lieve in magic when you smile!
Clever Name & Pronunciation Puns (31–45)
-
Knock, knock.
Who’s there?
Annie.
Annie who?
Annie-body home today? -
Knock, knock.
Who’s there?
Justin.
Justin who?
Justin time for dinner! -
Knock, knock.
Who’s there?
Anita.
Anita who?
Anita borrow a pencil for math class! -
Knock, knock.
Who’s there?
Harry.
Harry who?
Harry up and answer the door! -
Knock, knock.
Who’s there?
Howard.
Howard who?
Howard you like to hear another funny joke? -
Knock, knock.
Who’s there?
Luke.
Luke who?
Luke through the keyhole and see! -
Knock, knock.
Who’s there?
Abby.
Abby who?
Abby birthday to you! -
Knock, knock.
Who’s there?
Carmen.
Carmen who?
Carmen get your dessert before it melts! -
Knock, knock.
Who’s there?
Noah.
Noah who?
Noah good place to get pizza around here? -
Knock, knock.
Who’s there?
Thermos.
Thermos who?
Thermos be a better joke than this one! -
Knock, knock.
Who’s there?
Arthur.
Arthur who?
Arthur any cookies left in the cookie jar? -
Knock, knock.
Who’s there?
Ben.
Ben who?
Ben knocking on this door for ten minutes! -
Knock, knock.
Who’s there?
Wendy.
Wendy who?
Wendy bell rings, it’s time for recess! -
Knock, knock.
Who’s there?
Wayne.
Wayne who?
Wayne, Wayne, go away, come again another day! -
Knock, knock.
Who’s there?
Norma Lee.
Norma Lee who?
Norma Lee I have my keys with me!
Silly Story & Interactive Gags (46–60)
-
Knock, knock.
Who’s there?
Deja.
Deja who?
Knock, knock! -
Knock, knock.
Who’s there?
Atch.
Atch who?
Bless you! Have a tissue! -
Knock, knock.
Who’s there?
Wooden shoe.
Wooden shoe who?
Wooden shoe like to hear another funny one? -
Knock, knock.
Who’s there?
Spell.
Spell who?
W-H-O. -
Knock, knock.
Who’s there?
Nana.
Nana who?
Nana your business! -
Knock, knock.
Who’s there?
Water.
Water who?
Water you waiting for? Open up! -
Knock, knock.
Who’s there?
Dishes.
Dishes who?
Dishes a very bad knock-knock joke! -
Knock, knock.
Who’s there?
Canoe.
Canoe who?
Canoe come out and play with us? -
Knock, knock.
Who’s there?
Europe.
Europe who?
No I’m not, you’re a poo! -
Knock, knock.
Who’s there?
Tank.
Tank who?
You’re welcome! -
Knock, knock.
Who’s there?
A little old lady.
A little old lady who?
I didn’t know you could yodel! -
Knock, knock.
Who’s there?
Boo.
Boo who?
Don’t cry, it’s just a silly joke! -
Knock, knock.
Who’s there?
Police.
Police who?
Police let me in, my arms are tired! -
Knock, knock.
Who’s there?
Iona.
Iona who?
Iona big apology for telling such a corny joke! -
Knock, knock.
Who’s there?
Shore.
Shore who?
Shore is nice talking to you today!
The Best of the Worst Eye-Rollers (61–75)
-
Knock, knock.
Who’s there?
Amish.
Amish who?
Aww, I miss you too! -
Knock, knock.
Who’s there?
Accordion.
Accordion who?
Accordion to the forecast, it’s going to snow today! -
Knock, knock.
Who’s there?
Robin.
Robin who?
Robin you! Give me all your candy! -
Knock, knock.
Who’s there?
Needle.
Needle who?
Needle little help with my homework! -
Knock, knock.
Who’s there?
Radio.
Radio who?
Radio not, here I come! -
Knock, knock.
Who’s there?
Garth.
Garth who?
Garth Brooks no arguments when it comes to good tunes! -
Knock, knock.
Who’s there?
Yawn.
Yawn who?
Yawn-der stands a great comedian! -
Knock, knock.
Who’s there?
Voodoo.
Voodoo who?
Voodoo you think you are, asking all these questions? -
Knock, knock.
Who’s there?
Kenya.
Kenya who?
Kenya guess who’s behind this door? -
Knock, knock.
Who’s there?
Ooze.
Ooze who?
Ooze going to clean up this messy room? -
Knock, knock.
Who’s there?
Figs.
Figs who?
Figs the doorbell, it’s clearly broken! -
Knock, knock.
Who’s there?
Sherlock.
Sherlock who?
Sherlock your front door before you go to sleep! -
Knock, knock.
Who’s there?
Cabbage.
Cabbage who?
Cabbage you didn’t think I had another joke! -
Knock, knock.
Who’s there?
Otto.
Otto who?
Otto know better than to tell you this one! -
Knock, knock.
Who’s there?
Opportunity.
(Silence)
Opportunity who?
Don’t be silly, opportunity only knocks once!
The Secret to Delivering a Perfect Knock-Knock Joke
The beauty of a knock-knock joke is that it requires two people to make the magic happen. You cannot tell it alone; it is inherently a communal, interactive comedic dance.
For more wholesome comedic gold, explore our full directory of 100 best dad jokes and our curated collection of 100 best jokes for kids.