The classic setup never gets old. This collection of 60 knock-knock jokes covers puns for every age — silly ones for kids, clever wordplay for adults, and a few genuinely groan-worthy classics everyone should know.
Top 5 Knock-Knock Jokes (Start Here)
Knock knock. Who’s there? Lettuce. Lettuce who?
Answer: Lettuce in, it’s cold out here!
Knock knock. Who’s there? Boo. Boo who?
Answer: Aw, don’t cry, it’s just a joke!
Knock knock. Who’s there? Interrupting cow. Interrupting cow wh—
Answer: MOO!
Knock knock. Who’s there? Owl. Owl who?
Answer: Oh, well, that’s a hoot!
Knock knock. Who’s there? Ice cream. Ice cream who?
Answer: Ice cream if you don’t let me in!
Knock-Knock Jokes for Kids
- Knock knock. Who’s there? Banana. Banana who? Knock knock. Who’s there? Banana. Banana who? Knock knock. Who’s there? Orange. Orange who? Orange you glad I didn’t say banana again?
- Knock knock. Who’s there? Cash. Cash who? No thanks, I prefer peanuts.
- Knock knock. Who’s there? Dishes. Dishes who? Dishes a really bad joke, isn’t it?
Clever Knock-Knock Jokes for Adults
- Knock knock. Who’s there? Tank. Tank who? You’re welcome.
- Knock knock. Who’s there? Justin. Justin who? Justin time for dinner!
- Knock knock. Who’s there? Wendy. Wendy who? Wendy you think we’ll finish this joke?
Punny Knock-Knock Jokes
- Knock knock. Who’s there? Atch. Atch who? Bless you!
- Knock knock. Who’s there? Nobel. Nobel who? No bell, that’s why I knocked!
- Knock knock. Who’s there? Cereal. Cereal who? Cereal-y, you don’t know who this is?
Classic Knock-Knock Jokes Everyone Knows
- Knock knock. Who’s there? Boo. Boo who? Aw, don’t cry! (the OG version everyone learns first)
- Knock knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking.
How to Use These Knock-Knock Jokes
Say the setup slowly and let the other person actually respond each time — the rhythm is half the joke. For classrooms and kids’ parties, the “Kids” section is the safest bet; for a work icebreaker, stick to the “Clever” and “Punny” sections, which land without needing an explanation.
Frequently Asked Questions
What’s the best knock-knock joke for young kids?
A: “Orange you glad I didn’t say banana again?” is a classic because the repetition builds anticipation, which is exactly what makes young kids laugh.
Why do knock-knock jokes always follow the same format?
A: The fixed structure (Knock knock / Who’s there? / [Name] / [Name] who?) is what makes the joke work — the punchline depends on the listener saying the setup lines exactly as expected before the wordplay lands.
Are knock-knock jokes appropriate for adults?
A: Yes — the “Clever” and “Punny” sections here are written specifically to land with an adult audience without feeling like a kids’ joke.
