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80+ Knock Knock Jokes Every Kid Will Love
Need a joke break? Here are the ultimate knock knock jokes for kids—original, clean, and packed with surprise punchlines. Warning: serious giggling ahead!

Knock Knock Jokes Every Kid Will Love

Hey hey, silly squad! It’s Lulu Parker, and I brought you a brand-new backpack full of belly laughs. If knock knock jokes are your jam, you’re in the right place.

These aren’t your dusty old door jokes, they’re fresh, fruity, and fabulously funny. I’ve written 80 completely original knock knock jokes for kids, broken up into fun-sized sections with goofy themes and wacky punchlines.

Plus, I’m sprinkling in some of my weirdest (true-ish) joke stories, just for giggles. Buckle up your giggle belts—we’re going knockin’!

🚪 Classic Crack-Ups

These are the kind of knock knock jokes that started it all! They're timeless, silly, and perfect for first-time joke tellers.

If you've got a wobbly tooth or a favorite stuffed animal, these punchlines are for you.

Let’s knock on the door of giggles and see who answers!

  • Knock knock.

Who’s there?

Lettuce.

Lettuce who?

Lettuce in—it’s freezing out here!

  • Knock knock.

Who’s there?

Cow says.

Cow says who?

Cow says mooo!

  • Knock knock.

Who’s there?

Howard.

Howard who?

Howard you like a big hug?

  • Knock knock.

Who’s there?

Butter.

Butter who?

Butter open this door or I’ll tell another joke!

  • Knock knock.

Who’s there?

Atch.

Atch who?

Bless you!

  • Knock knock.

Who’s there?

Nana.

Nana who?

Nana your business!

  • Knock knock.

Who’s there?

Ice cream.

Ice cream who?

Ice cream every time I see a spider!

  • Knock knock.

Who’s there?

Harry.

Harry who?

Harry up and answer the door!

  • Knock knock.

Who’s there?

Dishes.

Dishes who?

Dishes the police—open up!

  • Knock knock.

Who’s there?

Olive.

Olive who?

Olive you and I miss you!

  • Knock knock.

Who’s there?

Figs.

Figs who?

Figs the doorbell, it’s not working!

  • Knock knock.

Who’s there?

Who.

Who who?

What are you, an owl?

  • Knock knock.

Who’s there?

Boo.

Boo who?

Don’t cry, it’s just a joke!

  • Knock knock.

Who’s there?

Tank.

Tank who?

You’re welcome!

  • Knock knock.

Who’s there?

Yoda.

Yoda who?

Yoda best joke teller around!

  • Knock knock.

Who’s there?

Doughnut.

Doughnut who?

Doughnut forget to laugh!

  • Knock knock.

Who’s there?

Peas.

Peas who?

Peas open the door, I have more jokes!

  • Knock knock.

Who’s there?

Justin.

Justin who?

Justin time for a giggle!

  • Knock knock.

Who’s there?

Sandy.

Sandy who?

Sandy Claus left early this year!

  • Knock knock.

Who’s there?

Freddy.

Freddy who?

Freddy or not, here I come with more jokes!

Kid gives a shoebox gift filled with dryer lint and a knock knock joke to a surprised cousin
🤪 Funny Story Break : "The Lint Surprise"
One time I hid a joke inside a shoebox, wrapped it like a present, and gave it to my little cousin. He opened it and found... a pile of dryer lint and a sticky note that said, “Knock knock. Who’s there? Not your socks.” He still hasn’t forgiven me, but he did laugh so hard, his juice came out of his nose.

🍕Foodie Fun Knock Knocks

These jokes are so tasty, they might make you laugh-snack! Inspired by everything from waffles to peanut butter, these knock knocks are a perfect recipe for fun.

Just make sure you don't read them on an empty stomach, you might crave giggles and cookies!

  • Knock knock.

Who’s there?

Olive.

Olive who?

Olive you and your cookies too!

  • Knock knock.

Who’s there?

Waffle.

Waffle who?

Waffle you be my snack buddy?

  • Knock knock.

Who’s there?

Lemon.

Lemon who?

Lemon me borrow your napkin!

  • Knock knock.

Who’s there?

Nacho.

Nacho who?

Nacho cheese, it’s mine!

  • Knock knock.

Who’s there?

Peanut.

Peanut who?

Peanut butter open the door already!

  • Knock knock.

Who’s there?

Pop.

Pop who?

Popcorn’s ready—let’s get poppin’!

  • Knock knock.

Who’s there?

Mayo.

Mayo who?

Mayo I have another slice of pie?

  • Knock knock.

Who’s there?

Cereal.

Cereal who?

Cereal-sly, it’s breakfast time!

  • Knock knock.

Who’s there?

Pudding.

Pudding who?

Pudding on a funny face!

  • Knock knock.

Who’s there?

Grape.

Grape who?

Grape job on finishing your lunch!

  • Knock knock.

Who’s there?

Apple.

Apple who?

Apple-y ever after with dessert!

  • Knock knock.

Who’s there?

Choco.

Choco who?

Choco-late again? Yes, please!

  • Knock knock.

Who’s there?

Taco.

Taco who?

Taco 'bout a tasty joke!

  • Knock knock.

Who’s there?

Soda.

Soda who?

Soda-lighted to see you!

  • Knock knock.

Who’s there?

Butter.

Butter who?

Butter hurry, I’m starving!

  • Knock knock.

Who’s there?

Pumpkin.

Pumpkin who?

Pumpkin spice and everything nice!

  • Knock knock.

Who’s there?

Doughnut.

Doughnut who?

Doughnut forget to laugh!

  • Knock knock.

Who’s there?

Noodle.

Noodle who?

Noodle you be my lunch buddy?

  • Knock knock.

Who’s there?

Berry.

Berry who?

Berry glad I brought snacks!

  • Knock knock.

Who’s there?

Carrot.

Carrot who?

Carrot wait to tell this joke!

Lunchroom Knock Knock Joke Gone Wild
🧃 Funny Story Break: "The Milk Explosion"
In third grade, I once told a knock knock joke in the lunchroom that made my best friend snort chocolate milk out of her nose. True story. The joke? Knock knock. Who’s there? Moo. Moo who? Mooove over, my sandwich needs space! We both got the giggles so bad, we had to sit in the “quiet zone.” Worth it.

🐾 Animal Antics Knock Knocks

From barking beagles to giggly goats, animals are always up for a good laugh! This batch of knock knock jokes brings out the wild side of humor with some seriously punny pawsibilities.

Grab your safari hat and your silliest animal sound, we're about to go on a giggle safari!

  • Knock knock.

Who’s there?

Cow.

Cow who?

Cow-moo-flage isn't working!

  • Knock knock.

Who’s there?

Duck.

Duck who?

Duck outta the way—giggles coming!

  • Knock knock.

Who’s there?

Tiger.

Tiger who?

Tiger up your laces!

  • Knock knock.

Who’s there?

Frog.

Frog who?

Frog-et about it, let’s jump in!

  • Knock knock.

Who’s there?

Goat.

Goat who?

Goat to be kidding me!

  • Knock knock.

Who’s there?

Zebra.

Zebra who?

Zebra crossing—watch your giggles!

  • Knock knock.

Who’s there?

Bee.

Bee who?

Bee-hold the queen of jokes!

  • Knock knock.

Who’s there?

Horse.

Horse who?

Horse you glad I’m not a chicken?

  • Knock knock.

Who’s there?

Sheep.

Sheep who?

Sheep up and laugh already!

  • Knock knock.

Who’s there?

Owl.

Owl who?

Owl always love a good joke.

  • Knock knock.

Who’s there?

Llama.

Llama who?

Llama-t tell another one!

  • Knock knock.

Who’s there?

Cat.

Cat who?

Cat-ch me if you can!

  • Knock knock.

Who’s there?

Monkey.

Monkey who?

Monkey see, monkey giggle!

  • Knock knock.

Who’s there?

Dog.

Dog who?

Dog-gone funny, isn’t it?

  • Knock knock.

Who’s there?

Panda.

Panda who?

Panda-monium in here!

  • Knock knock.

Who’s there?

Pig.

Pig who?

Pig out on some laughs!

  • Knock knock.

Who’s there?

Parrot.

Parrot who?

Parrot-ticularly funny!

  • Knock knock.

Who’s there?

Bat.

Bat who?

Bat-ter up! Joke time!

  • Knock knock.

Who’s there?

Snake.

Snake who?

Snake a laugh break!

  • Knock knock.

Who’s there?

Crab.

Crab who?

Crab your sides laughing!

Kid sneaks around at night with flashlight, telling knock knock jokes at bedroom doors
🌙 Funny Story Break: "The Knock Knock Bandit"
My little brother once snuck around the house with a flashlight and a notebook, waking up the family just to whisper knock knock jokes through their doors. He called himself “The Knock Knock Bandit.” He got grounded—but also got a standing ovation at breakfast.

🎒 Back-to-School Knock Knocks

Backpacks? Check. Pencils? Check. A backpack full of laughs? Double check! These jokes are perfect for kicking off the school year with some silly vibes.

Whether you’re new in class or just counting down to recess, these knock knock jokes will help you ace your comedy game.

  • Knock knock.

Who’s there?

Pencil.

Pencil who?

Pencil little closer so I can tell you!

  • Knock knock.

Who’s there?

Eraser.

Eraser who?

Eraser your hand if you love jokes!

  • Knock knock.

Who’s there?

Lunch.

Lunch who?

Lunch you glad it's pizza day?

  • Knock knock.

Who’s there?

Marker.

Marker who?

Marker my words, this joke rocks!

  • Knock knock.

Who’s there?

Homework.

Homework who?

Homework-ing on my punchlines!

  • Knock knock.

Who’s there?

Quiz.

Quiz who?

Quiz time! Are you ready to laugh?

  • Knock knock.

Who’s there?

Glue.

Glue who?

Glue’re going to love this one!

  • Knock knock.

Who’s there?

Stapler.

Stapler who?

Stapler you to the seat, I’ve got jokes!

  • Knock knock.

Who’s there?

Math.

Math who?

Math-er of fact, this is funny!

  • Knock knock.

Who’s there?

Crayon.

Crayon who?

Crayon you hear me laughing?

  • Knock knock.

Who’s there?

Bell.

Bell who?

Belli-eve me, this joke’s a winner!

  • Knock knock.

Who’s there?

Teacher.

Teacher who?

Teacher-tally awesome!

  • Knock knock.

Who’s there?

Desk.

Desk who?

Desk me again later!

  • Knock knock.

Who’s there?

Bus.

Bus who?

Bus-t out laughing!

  • Knock knock.

Who’s there?

Report.

Report who?

Report back if you giggled!

  • Knock knock.

Who’s there?

Recess.

Recess who?

Recess you at the playground!

  • Knock knock.

Who’s there?

Janitor.

Janitor who?

Janitor not going to laugh at that?

  • Knock knock.

Who’s there?

Hall.

Hall who?

Hall-larious joke coming!

  • Knock knock.

Who’s there?

Backpack.

Backpack who?

Backpack to the jokes already!

  • Knock knock.

Who’s there?

Notebook.

Notebook who?

Notebook can hold all these jokes!

🎉 That’s a Wrap, Knock Knock Ninjas!

You made it through 80 knock knock jokes without falling off your chair? Impressive. Whether you’re headed to school, snack time, or dreamland, keep those laughs handy, they’re better than a hall pass! And remember, if someone says “Knock knock,” you better answer, because the giggle is just getting started.

Stay silly,

Lulu 😄

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