If you have ever spent time with a preschooler, you know they love repetition. And nothing gets repeated more than a good knock-knock joke. Once a little one learns the format, get ready to hear “knock knock” approximately 47 times before breakfast.
Knock-knock jokes are perfect for preschoolers because they follow a predictable pattern that young children can memorize and perform. This builds confidence, teaches conversational timing, and gives them a way to make grown-ups laugh. There is something magical about watching a 4-year-old deliver a punchline with complete seriousness.
We have collected 30 knock-knock jokes that are simple enough for preschoolers to remember and silly enough to get genuine giggles. These jokes use familiar words, animals, and concepts that little ones already know. They are perfect for car rides, waiting rooms, bath time, or any moment that needs a dose of silliness. For more kid-friendly humor, check out our top 100 jokes for kids and our dad jokes for kids.
What is Inside
- Classic Starter Jokes
- Animal Knock-Knocks
- Food Knock-Knocks
- Silly Sound Jokes
- Frequently Asked Questions
Classic Starter Jokes
These are the perfect first knock-knock jokes for preschoolers. Simple, silly, and easy to remember.
- Knock, knock.
Who is there?
Boo.
Boo who?
Do not cry, it is just a joke! - Knock, knock.
Who is there?
Cow says.
Cow says who?
No, silly. Cow says moo! - Knock, knock.
Who is there?
Tank.
Tank who?
You are welcome! - Knock, knock.
Who is there?
Boo boo.
Boo boo who?
Do not cry, it is just a joke! - Knock, knock.
Who is there?
Atch.
Atch who?
Bless you! - Knock, knock.
Who is there?
Nana.
Nana who?
Nana your business! - Knock, knock.
Who is there?
Interrupting cow.
Interrupting cow wh…
MOO!
Love these classics? Our classic knock-knock jokes page has more for all ages.
Animal Knock-Knocks
Preschoolers love animals, and these jokes combine knock-knock fun with their favorite creatures.
- Knock, knock.
Who is there?
Owl.
Owl who?
Yes, they do! Owls say hoot hoot! - Knock, knock.
Who is there?
Who.
Who who?
Is there an owl in here? - Knock, knock.
Who is there?
Bee.
Bee who?
Bee nice to me! - Knock, knock.
Who is there?
Cat.
Cat who?
Cat you see I want to come in? - Knock, knock.
Who is there?
Duck.
Duck who?
Duck, there is a ball coming! - Knock, knock.
Who is there?
Pig.
Pig who?
Pig me up, I cannot reach! - Knock, knock.
Who is there?
Goat.
Goat who?
Goat to the door and find out!
For more animal fun, see our animal jokes collection.
Food Knock-Knocks
Food words make great knock-knock jokes because preschoolers know them well.
- Knock, knock.
Who is there?
Lettuce.
Lettuce who?
Lettuce in, it is cold out here! - Knock, knock.
Who is there?
Orange.
Orange who?
Orange you going to answer the door? - Knock, knock.
Who is there?
Banana.
Banana who?
Knock, knock. (Repeat 3 times)
Who is there?
Orange.
Orange who?
Orange you glad I did not say banana? - Knock, knock.
Who is there?
Ice cream.
Ice cream who?
Ice cream every time I see a spider! - Knock, knock.
Who is there?
Cereal.
Cereal who?
Cereal pleasure to meet you! - Knock, knock.
Who is there?
Egg.
Egg who?
Egg-cited to see you! - Knock, knock.
Who is there?
Candy.
Candy who?
Candy door open? I want to come in!
Silly Sound Jokes
These jokes use funny sounds and wordplay that preschoolers find hilarious.
- Knock, knock.
Who is there?
Mickey.
Mickey who?
Mickey does not fit through this tiny door! - Knock, knock.
Who is there?
Boo.
Boo who?
Why are you crying? - Knock, knock.
Who is there?
Ya.
Ya who?
Wow, you sound excited! - Knock, knock.
Who is there?
Hoo.
Hoo who?
Are you an owl? - Knock, knock.
Who is there?
Spell.
Spell who?
W-H-O! - Knock, knock.
Who is there?
Wa.
Wa who?
What are you so excited about? - Knock, knock.
Who is there?
Peek-a.
Peek-a who?
Peek-a-boo, I see you! - Knock, knock.
Who is there?
Broken pencil.
Broken pencil who?
Never mind, it is pointless! - Knock, knock.
Who is there?
Nobel.
Nobel who?
Nobel, that is why I knocked!
Wrapping Up
We hope these knock-knock jokes bring lots of giggles to your preschooler. The best part about teaching kids jokes is watching them practice and eventually tell the jokes themselves. Do not be surprised if the delivery is a little off at first, because that just makes it funnier.
For more kid-friendly humor, explore our 100 jokes for kids, dad jokes for kids, and school jokes. And when they get a bit older, our classic knock-knock jokes page has jokes for all ages.
Bonus joke: Knock, knock. Who is there? Dozen. Dozen who? Dozen anybody want to let me in?
Frequently Asked Questions
What age are these jokes good for?
These jokes are designed for children ages 3 to 6, though younger toddlers may enjoy hearing them and older kids often find them funny too. The simple format and familiar words make them accessible for preschoolers.
How do I teach my preschooler to tell knock-knock jokes?
Start by telling the joke yourself several times so they learn the rhythm. Then let them say the “who is there” parts while you do the rest. Eventually they will want to tell the whole joke themselves. Patience and repetition are key!
Are these jokes appropriate for daycare or preschool?
Yes! Every joke on this list is clean, appropriate, and teacher-approved. They are perfect for circle time, show and tell, or just playground fun.
Why do kids love knock-knock jokes so much?
Knock-knock jokes follow a predictable pattern that gives children a sense of control. They know what comes next, which builds confidence. Plus, the surprise of the punchline creates a genuine moment of delight.
Do you have more jokes for kids?
Absolutely! Check out our top 100 jokes for kids, dad jokes for kids, school jokes, and animal jokes for more family-friendly humor.