Knock knock jokes are humorous question-answer exchanges that have been tickling funny bones for decades. Rooted in word play and surprising twists, these jovial jests are perfect for invoking laughter from kids, adults, and everyone in between.
Whether you’re the jokester trying to lighten the mood or someone looking to add some comedic variety to your humor repertoire, these 40 classic knock knock jokes will provide side-splitting humor for all ages.
Table of Contents
Knock, Knock! Who’s There? Knock Knock Jokes!
1. The Classic Knock Knock Joke:
Knock, knock.
Who’s there?
Lettuce.
Lettuce who?
Lettuce in, it’s freezing out here!
2. Punny Knock Knock Joke:
Knock, knock.
Who’s there?
Olive.
Olive who?
Olive you and I miss you!
3. Perfect for Breakfast time:
Knock, knock.
Who’s there?
Butter.
Butter who?
Butter be quick, I’m starting to melt!
4. Destined to Delight:
Knock, knock.
Who’s there?
Boo.
Boo who?
There, there. Don’t cry. It’s just a joke!
5. A Joke with a Little Bite:
Knock, knock.
Who’s there?
Mosquito.
Mosquito who?
Mosquito everybody out, it’s too crowded in here!
6. The Tech Savvy Joke:
Knock, knock.
Who’s there?
HTML.
HTML who?
HTML I get out of this webpage without you laughing!
7. Playful Pizza Punning:
Knock, knock.
Who’s there?
Pizza.
Pizza who?
Pizza really great guy once you get to slice him!
8. Simply Purr-fect:
Knock, knock.
Who’s there?
Kitten.
Kitten who?
Kitten me? Open the door!
9. The Musical Humor:
Knock, knock.
Who’s there?
Accordion.
Accordion who?
Accordion to you, every knock-knock joke is funny!
10. Out of This World:
Knock, knock.
Who’s there?
Alien.
Alien who?
Just Alien-ding by to say hi!
11. The Cheesy Choice:
Knock, knock.
Who’s there?
Cheese.
Cheese who?
Cheese a jolly good fellow!
12. The Holiday Host’s Hello:
Knock, knock.
Who’s there?
Holly.
Holly who?
Holly-days are the best time for jokes!
13. The Coffee Conundrum:
Knock, knock.
Who’s there?
Java.
Java who?
Java minute to let me in?
14. The Artist’s Entrance:
Knock, knock.
Who’s there?
Canvas.
Canvas who?
Canvas anyone solve this riddle?
15. The Baker’s Banter:
Knock, knock.
Who’s there?
Doughnut.
Doughnut who?
Doughnut forget to let me in!
16. The Bookworm’s Joke:
Knock, knock.
Who’s there?
Novel.
Novel who?
Novel idea how I got here!
17. The Adventurous Punning:
Knock, knock.
Who’s there?
Safari.
Safari who?
Safari, so good!
18. The Science Silliness:
Knock, knock.
Who’s there?
Nobel.
Nobel who?
Nobel… that’s why I knocked!
19. The Clock’s Ticking:
Knock, knock.
Who’s there?
Hour.
Hour who?
Hour you going to know if you don’t open the door?
20. The Math Moment:
Knock, knock.
Who’s there?
Algebra.
Algebra who?
Algebra your attention yet?
21. The Sweet Tooth:
Knock, knock.
Who’s there?
Candy.
Candy who?
Candy door open, or am I stuck out here?
22. The Philosopher’s Phun:
Knock, knock.
Who’s there?
Plato.
Plato who?
Plato cookies and milk ready when I come in!
23. The Astronomer’s Angle:
Knock, knock.
Who’s there?
Star.
Star who?
Star you gonna let me in soon?
24. The Fisherman’s Line:
Knock, knock.
Who’s there?
Fish.
Fish who?
Fish you were here to open the door!
25. The Programmer’s Punchline:
Knock, knock.
Who’s there?
Python.
Python who?
Python the kettle on, it’s time for tea!
26. The Fashion-forward Fun:
Knock, knock.
Who’s there?
Jean.
Jean who?
Jean-iously, can you let me in?
27. The Astronaut’s Query:
Knock, knock.
Who’s there?
Rocket.
Rocket who?
Rocket scientist needed to solve this knock-knock!
28. The Magician’s Mystery:
Knock, knock.
Who’s there?
Abracadabra.
Abracadabra who?
Abracadabra open the door!
29. The Historian’s Humor:
Knock, knock.
Who’s there?
Spartan.
Spartan who?
Spartan your engines, we’re going on an adventure!
30. The Culinary Crack:
Knock, knock.
Who’s there?
Olive.
Olive who?
Olive to cook, so let me in!
31. The Early Bird’s Humor:
Knock, knock.
Who’s there?
Robin.
Robin who?
Robin you of sleep! Time to wake up!
32. The Weatherman’s Wit:
Knock, knock.
Who’s there?
Rain.
Rain who?
Rain or shine, I’m glad you’re my friend!
33. The Traveler’s Tease:
Knock, knock.
Who’s there?
Europe.
Europe who?
No, you’re a poo!
34. The Dietician’s Dilemma:
Knock, knock.
Who’s there?
Lettuce.
Lettuce who?
Lettuce in, it’s too healthy out here!
35. The Electrician’s Spark:
Knock, knock.
Who’s there?
Wire.
Wire who?
Wire you not laughing yet?
36. The Puzzler’s Plea:
Knock, knock.
Who’s there?
Sudoku.
Sudoku who?
Sudoku yourself, I forgot my key!
37. The Cowboy’s Call:
Knock, knock.
Who’s there?
Yeehaw.
Yeehaw who?
Yeehaw, are you ready for some fun?
38. The Librarian’s Lines:
Knock, knock.
Who’s there?
Read.
Read who?
Read any good books lately?
39. The Fitness Freak’s Footnote:
Knock, knock.
Who’s there?
Yoga.
Yoga who?
Yoga to try this, it’s amazing!
These humorous play-of-words were first mentioned in 1929 and have since taken the world by storm. They’re great for kids who are learning language, they’re amazing ice-breakers at social gatherings, and they (read: always) produce at least a smile or two. You undoubtedly remember a few from your childhood, and now you have 40 more to add to your collection.
Knock knock jokes allow everyone to act both the part of the comedian and the audience, encouraging participation and interaction. It’s a win-win for humor and camaraderie.
Remember, knock, knock jokes are all about the delivery. The best part of the joke is the surprise punchline. Because of their repetitive set up, the person listening expects a certain rhythm. Any clever twist you can add to disrupt that rhythm will surely earn a hearty laugh.
40. The Grand Finale:
Knock, knock.
Who’s there?
Atch.
Atch who?
Bless you!
What better way to conclude a list of knock knock jokes than with a sneeze?
This Is Not The End Of The Knock Knock Jokes
Looking for more knock, knock humor to brighten your day or become the life of the party? Sign up for our newsletter where we deliver exclusive, never-seen-before jokes directly to your inbox! Remind your friends, family members, and co-workers that laughter is and always will be the best form of therapy.
Share our post with your network and throw a knock knock joke or two their way. You never know, you might just make their day a little brighter!
Stay tuned for more laughter and joy, and remember to keep those doors open, because you never know who could be knocking next.
Just be ready with a hearty “Who’s there?” and you’re set to spread smiles and generate giggles wherever you go. Don’t forget, laughter is indeed the best medicine, so keep laughing and keep sharing!
