Get ready for giggles galore! These knock knock jokes for 4-year-olds are simple, silly, and full of fun. Perfect for preschoolers and toddlers, each joke is easy to understand and guaranteed to make your little comedian laugh out loud. Whether you’re looking for bedtime chuckles, car ride fun, or classroom entertainment, this list of clean, kid-friendly jokes will bring endless smiles. 🧒💛
Doggy Door Jokes
Knock knock
Who’s there?
Paws.
Paws who?
Paws and let me tell a joke!Knock knock
Who’s there?
Bark.
Bark who?
Bark up the funny tree!Knock knock
Who’s there?
Bone.
Bone who?
Bone to make you laugh!Knock knock
Who’s there?
Fur.
Fur who?
Fur real, it’s me!Knock knock
Who’s there?
Woof.
Woof who?
Woof you don’t let me in, I’ll bark!Knock knock
Who’s there?
Fetch.
Fetch who?
Fetch me a giggle!Knock knock
Who’s there?
Sniff.
Sniff who?
Sniff out another joke!Knock knock
Who’s there?
Chase.
Chase who?
Chase me if you can!Knock knock
Who’s there?
Treat.
Treat who?
Treat yourself to a laugh!Knock knock
Who’s there?
Dog.
Dog who?
Dog-gone it, I’m funny!
Cat-tastic Chuckles
Knock knock
Who’s there?
Meow.
Meow who?
Meow you doing today?Knock knock
Who’s there?
Purr.
Purr who?
Purr-tend you didn’t laugh!Knock knock
Who’s there?
Whiskers.
Whiskers who?
Whiskers me a secret!Knock knock
Who’s there?
Tail.
Tail who?
Tail me more jokes!Knock knock
Who’s there?
Nap.
Nap who?
Nap time already?Knock knock
Who’s there?
Fuzzy.
Fuzzy who?
Fuzzy feeling funny!Knock knock
Who’s there?
Yarn.
Yarn who?
Yarn so funny!Knock knock
Who’s there?
Kitty.
Kitty who?
Kitty up and laugh!Knock knock
Who’s there?
Litter.
Litter who?
Litter me tell another one!Knock knock
Who’s there?
Mittens.
Mittens who?
Mittens you made me giggle!
Yummy Giggles
Knock knock
Who’s there?
Apple.
Apple who?
Apple-y ever after!Knock knock
Who’s there?
Banana.
Banana who?
Banana split with you!Knock knock
Who’s there?
Peach.
Peach who?
Peach you forever!Knock knock
Who’s there?
Carrot.
Carrot who?
Carrot wait for a snack!Knock knock
Who’s there?
Taco.
Taco who?
Taco ’bout tasty!Knock knock
Who’s there?
Cheese.
Cheese who?
Cheese a cutie pie!Knock knock
Who’s there?
Lettuce.
Lettuce who?
Lettuce in, it’s lunch time!Knock knock
Who’s there?
Milk.
Milk who?
Milk you for more laughs!Knock knock
Who’s there?
Cake.
Cake who?
Cake me happy!Knock knock
Who’s there?
Bite.
Bite who?
Bite me a cookie!
Frogs & Friends
Knock knock
Who’s there?
Frog.
Frog who?
Frog-got what I was saying!Knock knock
Who’s there?
Ribbit.
Ribbit who?
Ribbit ribbit — I’m funny!Knock knock
Who’s there?
Hop.
Hop who?
Hop to it!Knock knock
Who’s there?
Leap.
Leap who?
Leap laughing now!Knock knock
Who’s there?
Pad.
Pad who?
Pad-dle up!Knock knock
Who’s there?
Bug.
Bug who?
Bug me with more jokes!Knock knock
Who’s there?
Green.
Green who?
Green and jumpy!Knock knock
Who’s there?
Croak.
Croak who?
Croak-a-doodle-doo!Knock knock
Who’s there?
Splash.
Splash who?
Splash in the fun!Knock knock
Who’s there?
Toad.
Toad who?
Toad you I was funny!
Dino Giggles
Knock knock
Who’s there?
T-Rex.
T-Rex who?
T-Rex your mailbox again!Knock knock
Who’s there?
Raptor.
Raptor who?
Raptor present just for you!Knock knock
Who’s there?
Dino.
Dino who?
Dino how to make you laugh!Knock knock
Who’s there?
Stomp.
Stomp who?
Stomp laughing already?Knock knock
Who’s there?
Fossil.
Fossil who?
Fossil the jokes are old!Knock knock
Who’s there?
Claw.
Claw who?
Claw-ver joke, huh?Knock knock
Who’s there?
Roar.
Roar who?
Roar you ready to laugh?Knock knock
Who’s there?
Bone.
Bone who?
Bone to be wild!Knock knock
Who’s there?
Chomp.
Chomp who?
Chomp down a snack!Knock knock
Who’s there?
Egg.
Egg who?
Egg-stinct dino joke!
Unicorn Magic
Knock knock
Who’s there?
Sparkle.
Sparkle who?
Sparkle every time you smile!Knock knock
Who’s there?
Rainbow.
Rainbow who?
Rainbow you glad I’m here?Knock knock
Who’s there?
Magic.
Magic who?
Magic me laugh!Knock knock
Who’s there?
Twinkle.
Twinkle who?
Twinkle little giggle star!Knock knock
Who’s there?
Glitter.
Glitter who?
Glitter laugh out loud!Knock knock
Who’s there?
Wish.
Wish who?
Wish you a fun day!Knock knock
Who’s there?
Fairy.
Fairy who?
Fairy funny joke!Knock knock
Who’s there?
Horn.
Horn who?
Horn you glad it’s a unicorn?Knock knock
Who’s there?
Fluff.
Fluff who?
Fluff you make me smile!Knock knock
Who’s there?
Shiny.
Shiny who?
Shiny happy person!
Bedtime Giggles
Knock knock
Who’s there?
Blanket.
Blanket who?
Blanket me a hug!Knock knock
Who’s there?
Pillow.
Pillow who?
Pillow the covers, I’m cold!Knock knock
Who’s there?
Sleepy.
Sleepy who?
Sleepy time, sleepyhead!Knock knock
Who’s there?
Night.
Night who?
Night night, little star!Knock knock
Who’s there?
Snore.
Snore who?
Snore way I’m sleeping yet!Knock knock
Who’s there?
Lamp.
Lamp who?
Lamp me up with jokes!Knock knock
Who’s there?
Dream.
Dream who?
Dream team of fun!Knock knock
Who’s there?
Tuck.
Tuck who?
Tuck me in already!Knock knock
Who’s there?
Comfy.
Comfy who?
Comfy bed is calling!Knock knock
Who’s there?
Nap.
Nap who?
Nap time, no more giggles!
Zoo Crew
Knock knock
Who’s there?
Monkey.
Monkey who?
Monkey see, monkey giggle!Knock knock
Who’s there?
Zebra.
Zebra who?
Zebra-long time since we laughed!Knock knock
Who’s there?
Penguin.
Penguin who?
Penguin the fun starts?Knock knock
Who’s there?
Lion.
Lion who?
Lion on the floor laughing!Knock knock
Who’s there?
Giraffe.
Giraffe who?
Giraffe me crazy!Knock knock
Who’s there?
Elephant.
Elephant who?
Elephant-astic joke!Knock knock
Who’s there?
Hippo.
Hippo who?
Hippo you like jokes!Knock knock
Who’s there?
Tiger.
Tiger who?
Tiger up, it’s joke time!Knock knock
Who’s there?
Parrot.
Parrot who?
Parrot-ticularly funny!Knock knock
Who’s there?
Seal.
Seal who?
Seal the deal with laughs!
Weather Wonders
Knock knock
Who’s there?
Rain.
Rain who?
Rain or shine, I’m funny!Knock knock
Who’s there?
Cloud.
Cloud who?
Cloud you laugh louder?Knock knock
Who’s there?
Sun.
Sun who?
Sun-sational jokes here!Knock knock
Who’s there?
Snow.
Snow who?
Snow joke, I’m hilarious!Knock knock
Who’s there?
Storm.
Storm who?
Storming into laughter!Knock knock
Who’s there?
Wind.
Wind who?
Wind you tell me a joke?Knock knock
Who’s there?
Thunder.
Thunder who?
Thunder where my laughs are!Knock knock
Who’s there?
Fog.
Fog who?
Fog-et about bedtime!Knock knock
Who’s there?
Chilly.
Chilly who?
Chilly out with me!Knock knock
Who’s there?
Breeze.
Breeze who?
Breeze yourself for jokes!
Fairytale Fun
Knock knock
Who’s there?
Prince.
Prince who?
Prince charming your laugh!Knock knock
Who’s there?
Dragon.
Dragon who?
Dragon this out too long?Knock knock
Who’s there?
Wand.
Wand who?
Wand-erful to see you!Knock knock
Who’s there?
Fairy.
Fairy who?
Fairy glad you’re laughing!Knock knock
Who’s there?
Knight.
Knight who?
Knight time giggles!Knock knock
Who’s there?
Castle.
Castle who?
Castle you later!Knock knock
Who’s there?
Crown.
Crown who?
Crown you the joke king!Knock knock
Who’s there?
Glass.
Glass who?
Glass slipper fits!Knock knock
Who’s there?
Witch.
Witch who?
Witch you a happy laugh!Knock knock
Who’s there?
Tale.
Tale who?
Tale me another one!
Frequently Asked Questions
What makes knock knock jokes good for 4-year-olds?
They’re simple, repetitive, and let kids feel in control of the punchline.
Are these knock knock jokes clean?
Yes! Every joke here is 100% kid-safe and preschool-approved.
Can knock knock jokes help with learning?
Absolutely — they boost language, memory, and social skills.
How often should I tell jokes to my child?
Every day if you can — it builds joy and connection.
What if my child doesn’t get the joke?
That’s okay! It’s the rhythm and fun that matter most.
Do 4-year-olds understand punchlines?
Some do! Others just enjoy the game. Both are perfect.
Are these jokes good for car rides and bedtime?
Totally! Great for quiet moments or active fun.
Can older siblings enjoy them too?
Yes! Silly jokes are for all ages (and grown-ups too).
How do I help my child tell a knock knock joke?
Start slow, repeat often, and laugh big!
Where can I find more like this?
Visit PunsPlanet.com for even more playful fun!
Conclusion
Knock knock jokes are the perfect way to bring laughter into a 4-year-old’s world. They’re easy to remember, silly to repeat, and full of fun moments your child will love.
Next time your little one says “Knock knock,” lean in with a big smile — because the giggles that follow are the best kind of magic.
For more fun and punny goodness, hop over to PunsPlanet.com and keep the laughs rolling! 
