Knock, knock… who’s there? Laughter! If you’re looking for the funniest Knock Knock dad jokes, you’re in the right place.
From groan-worthy puns to clever one-liners, these jokes are perfect for kids, adults, and anyone who appreciates classic dad humor.
Whether you’re trying to brighten a boring day, entertain family at the dinner table, or just enjoy a quick laugh, these knock knock jokes deliver humor that never goes out of style.
Best Knock Knock Dad Jokes That Always Get a Laugh
1. Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s too cold out here!
2. Knock, knock. Who’s there? Olive. Olive who? Olive you and I miss you!
3. Knock, knock. Who’s there? Ice cream. Ice cream who? Ice scream every time I see a scary movie!
4. Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s just a joke!
5. Knock, knock. Who’s there? Cow says. Cow says who? No silly, cow says “moo”!
6. Knock, knock. Who’s there? Harry. Harry who? Harry up and answer the door!
7. Knock, knock. Who’s there? Annie. Annie who? Annie thing you can do, I can do too!
8. Knock, knock. Who’s there? Howard. Howard who? Howard you like to be knocking for a change?
9. Knock, knock. Who’s there? Tank. Tank who? You’re welcome!
10. Knock, knock. Who’s there? Nobel. Nobel who? No bell, that’s why I’m knocking!
11. Knock, knock. Who’s there? Ya. Ya who? No thanks, I prefer Google!
12. Knock, knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking!
13. Knock, knock. Who’s there? Luke. Luke who? Luke through the peephole and find out!
14. Knock, knock. Who’s there? Butter. Butter who? Butter open up, it’s cold out here!
15. Knock, knock. Who’s there? Olive. Olive who? Olive your jokes—they’re hilarious!
16. Knock, knock. Who’s there? Woo. Woo who? Don’t get too excited, it’s just a joke!
17. Knock, knock. Who’s there? Beak. Beak who? Beak careful, these jokes are egg-cellent!
18. Knock, knock. Who’s there? Ice. Ice who? Ice to meet you, let’s be friends!
19. Knock, knock. Who’s there? Justin. Justin who? Justin time for some dad jokes!
20. Knock, knock. Who’s there? Howard. Howard who? Howard you like another joke?
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Funny Knock Knock Jokes for Adults and Kids Alike
1. Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s too cold out here!
2. Knock, knock. Who’s there? Olive. Olive who? Olive you and I miss you!
3. Knock, knock. Who’s there? Ice cream. Ice cream who? Ice scream every time I see a scary movie!
4. Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s just a joke!
5. Knock, knock. Who’s there? Cow says. Cow says who? No silly, cow says “moo”!
6. Knock, knock. Who’s there? Harry. Harry who? Harry up and answer the door!
7. Knock, knock. Who’s there? Annie. Annie who? Annie thing you can do, I can do too!
8. Knock, knock. Who’s there? Howard. Howard who? Howard you like to be knocking for a change?
9. Knock, knock. Who’s there? Tank. Tank who? You’re welcome!
10. Knock, knock. Who’s there? Nobel. Nobel who? No bell, that’s why I’m knocking!
11. Knock, knock. Who’s there? Ya. Ya who? No thanks, I prefer Google!
12. Knock, knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking!
13. Knock, knock. Who’s there? Luke. Luke who? Luke through the peephole and find out!
14. Knock, knock. Who’s there? Butter. Butter who? Butter open up, it’s cold out here!
15. Knock, knock. Who’s there? Olive. Olive who? Olive your jokes—they’re hilarious!
16. Knock, knock. Who’s there? Woo. Woo who? Don’t get too excited, it’s just a joke!
17. Knock, knock. Who’s there? Beak. Beak who? Beak careful, these jokes are egg-cellent!
18. Knock, knock. Who’s there? Ice. Ice who? Ice to meet you, let’s be friends!
19. Knock, knock. Who’s there? Justin. Justin who? Justin time for some dad jokes!
20. Knock, knock. Who’s there? Howard. Howard who? Howard you like another joke?
Related:123+ Funny Clamp Puns and Jokes

Short and Sweet Knock Knock Dad Jokes for Quick Giggles
1. Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s just a joke!
2. Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s too cold out here!
3. Knock, knock. Who’s there? Olive. Olive who? Olive you and I miss you!
4. Knock, knock. Who’s there? Cow says. Cow says who? No silly, cow says “moo”!
5. Knock, knock. Who’s there? Ice cream. Ice cream who? Ice scream every time I see a scary movie!
6. Knock, knock. Who’s there? Harry. Harry who? Harry up and answer the door!
7. Knock, knock. Who’s there? Annie. Annie who? Annie thing you can do, I can do too!
8. Knock, knock. Who’s there? Howard. Howard who? Howard you like to be knocking for a change?
9. Knock, knock. Who’s there? Tank. Tank who? You’re welcome!
10. Knock, knock. Who’s there? Nobel. Nobel who? No bell, that’s why I’m knocking!
11. Knock, knock. Who’s there? Ya. Ya who? No thanks, I prefer Google!
12. Knock, knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking!
13. Knock, knock. Who’s there? Luke. Luke who? Luke through the peephole and find out!
14. Knock, knock. Who’s there? Butter. Butter who? Butter open up, it’s cold out here!
15. Knock, knock. Who’s there? Olive. Olive who? Olive your jokes—they’re hilarious!
16. Knock, knock. Who’s there? Woo. Woo who? Don’t get too excited, it’s just a joke!
17. Knock, knock. Who’s there? Beak. Beak who? Beak careful, these jokes are egg-cellent!
18. Knock, knock. Who’s there? Ice. Ice who? Ice to meet you, let’s be friends!
19. Knock, knock. Who’s there? Justin. Justin who? Justin time for some dad jokes!
20. Knock, knock. Who’s there? Howard. Howard who? Howard you like another joke?

Clean Knock Knock Jokes Perfect for Family Fun
1. Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s too cold out here!
2. Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s just a joke!
3. Knock, knock. Who’s there? Olive. Olive who? Olive you and I miss you!
4. Knock, knock. Who’s there? Cow says. Cow says who? No silly, cow says “moo”!
5. Knock, knock. Who’s there? Ice cream. Ice cream who? Ice scream every time I see a scary movie!
6. Knock, knock. Who’s there? Harry. Harry who? Harry up and answer the door!
7. Knock, knock. Who’s there? Annie. Annie who? Annie thing you can do, I can do too!
8. Knock, knock. Who’s there? Howard. Howard who? Howard you like to be knocking for a change?
9. Knock, knock. Who’s there? Tank. Tank who? You’re welcome!
10. Knock, knock. Who’s there? Nobel. Nobel who? No bell, that’s why I’m knocking!
11. Knock, knock. Who’s there? Ya. Ya who? No thanks, I prefer Google!
12. Knock, knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking!
13. Knock, knock. Who’s there? Luke. Luke who? Luke through the peephole and find out!
14. Knock, knock. Who’s there? Butter. Butter who? Butter open up, it’s cold out here!
15. Knock, knock. Who’s there? Olive. Olive who? Olive your jokes—they’re hilarious!
16. Knock, knock. Who’s there? Woo. Woo who? Don’t get too excited, it’s just a joke!
17. Knock, knock. Who’s there? Beak. Beak who? Beak careful, these jokes are egg-cellent!
18. Knock, knock. Who’s there? Ice. Ice who? Ice to meet you, let’s be friends!
19. Knock, knock. Who’s there? Justin. Justin who? Justin time for some dad jokes!
20. Knock, knock. Who’s there? Howard. Howard who? Howard you like another joke?

Groan-Worthy Knock Knock Jokes Every Dad Will Love
1. Knock, knock. Who’s there? Ice cream. Ice cream who? Ice scream every time I tell a dad joke!
2. Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s just a joke!
3. Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s too cold out here!
4. Knock, knock. Who’s there? Cow says. Cow says who? No silly, cow says “moo”!
5. Knock, knock. Who’s there? Olive. Olive who? Olive your jokes—they’re the best!
6. Knock, knock. Who’s there? Harry. Harry who? Harry up and answer the door!
7. Knock, knock. Who’s there? Tank. Tank who? You’re welcome!
8. Knock, knock. Who’s there? Nobel. Nobel who? No bell, that’s why I’m knocking!
9. Knock, knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking!
10. Knock, knock. Who’s there? Woo. Woo who? Don’t get too excited, it’s just a joke!
11. Knock, knock. Who’s there? Beak. Beak who? Beak careful, these jokes are egg-cellent!
12. Knock, knock. Who’s there? Butter. Butter who? Butter open up, it’s cold out here!
13. Knock, knock. Who’s there? Ice. Ice who? Ice to meet you, let’s be friends!
14. Knock, knock. Who’s there? Justin. Justin who? Justin time for some dad jokes!
15. Knock, knock. Who’s there? Howard. Howard who? Howard you like another joke?
16. Knock, knock. Who’s there? Annie. Annie who? Annie thing you can do, I can do too!
17. Knock, knock. Who’s there? Luke. Luke who? Luke through the peephole and find out!
18. Knock, knock. Who’s there? Olive. Olive who? Olive you and I miss you!
19. Knock, knock. Who’s there? Santa. Santa who? Santa-thing funny going on here!
20. Knock, knock. Who’s there? Europe. Europe who? No, YOU’RE a poo!
Classic Knock Knock Dad Jokes That Never Get Old
1. Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s too cold out here!
2. Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s just a joke!
3. Knock, knock. Who’s there? Cow says. Cow says who? No silly, cow says “moo”!
4. Knock, knock. Who’s there? Olive. Olive who? Olive you and I miss you!
5. Knock, knock. Who’s there? Ice cream. Ice cream who? Ice scream every time I see a scary movie!
6. Knock, knock. Who’s there? Harry. Harry who? Harry up and answer the door!
7. Knock, knock. Who’s there? Tank. Tank who? You’re welcome!
8. Knock, knock. Who’s there? Nobel. Nobel who? No bell, that’s why I’m knocking!
9. Knock, knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking!
10. Knock, knock. Who’s there? Woo. Woo who? Don’t get too excited, it’s just a joke!
11. Knock, knock. Who’s there? Beak. Beak who? Beak careful, these jokes are egg-cellent!
12. Knock, knock. Who’s there? Butter. Butter who? Butter open up, it’s cold out here!
13. Knock, knock. Who’s there? Ice. Ice who? Ice to meet you, let’s be friends!
14. Knock, knock. Who’s there? Justin. Justin who? Justin time for some dad jokes!
15. Knock, knock. Who’s there? Howard. Howard who? Howard you like another joke?
16. Knock, knock. Who’s there? Annie. Annie who? Annie thing you can do, I can do too!
17. Knock, knock. Who’s there? Luke. Luke who? Luke through the peephole and find out!
18. Knock, knock. Who’s there? Santa. Santa who? Santa-thing funny going on here!
19. Knock, knock. Who’s there? Europe. Europe who? No, YOU’RE a poo!
20. Knock, knock. Who’s there? Woo Woo. Woo Woo who? Don’t get too excited, it’s just a joke!
Hilarious Knock Knock Jokes Reddit Fans Can’t Stop Sharing
1. Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s too cold out here!
2. Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s just a joke!
3. Knock, knock. Who’s there? Olive. Olive who? Olive you and I miss you!
4. Knock, knock. Who’s there? Cow says. Cow says who? No silly, cow says “moo”!
5. Knock, knock. Who’s there? Ice cream. Ice cream who? Ice scream every time I see a scary movie!
6. Knock, knock. Who’s there? Harry. Harry who? Harry up and answer the door!
7. Knock, knock. Who’s there? Tank. Tank who? You’re welcome!
8. Knock, knock. Who’s there? Nobel. Nobel who? No bell, that’s why I’m knocking!
9. Knock, knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking!
10. Knock, knock. Who’s there? Woo. Woo who? Don’t get too excited, it’s just a joke!
11. Knock, knock. Who’s there? Beak. Beak who? Beak careful, these jokes are egg-cellent!
12. Knock, knock. Who’s there? Butter. Butter who? Butter open up, it’s cold out here!
13. Knock, knock. Who’s there? Ice. Ice who? Ice to meet you, let’s be friends!
14. Knock, knock. Who’s there? Justin. Justin who? Justin time for some dad jokes!
15. Knock, knock. Who’s there? Howard. Howard who? Howard you like another joke?
16. Knock, knock. Who’s there? Annie. Annie who? Annie thing you can do, I can do too!
17. Knock, knock. Who’s there? Luke. Luke who? Luke through the peephole and find out!
18. Knock, knock. Who’s there? Santa. Santa who? Santa-thing funny going on here!
19. Knock, knock. Who’s there? Europe. Europe who? No, YOU’RE a poo!
20. Knock, knock. Who’s there? Woo Woo. Woo Woo who? Don’t get too excited, it’s just a joke!
Final Thoughts
Knock knock… the jokes are in! Knock Knock dad jokes are the perfect way to bring humor into any situation, from family dinners to casual hangouts.
With pun-filled one-liners that appeal to all ages, these jokes are a timeless way to spread laughter. Keep them handy, share them often, and remember—dad jokes never knock out the fun.