Dad Jokes 
Get ready to knock on laughter’s door with these corny knock knock jokes! If there’s one thing that never gets old, it’s the classic knock-knock setup. These jokes are simple, silly, and guaranteed to bring a smile (or a groan) to your face. Let’s dive right in and spread some joy!
20 Corny Knock Knock Jokes
1. Knock, knock.
Who’s there?
Lettuce.
²Lettuce who?
Lettuce in, it’s freezing out here!
2. Knock, knock.
Who’s there?
Cow says.
Cow says who?
No silly, cow says moooo!
3. Knock, knock.
Who’s there?
Olive.
²Olive who?
Olive you and I miss you!
4. Knock, knock.
Who’s there?
Tank.
Tank who?
You’re welcome!
5. Knock, knock.
Who’s there?
Atch.
Atch who?
Bless you!
6. Knock, knock.
Who’s there?
Dishes.
²Dishes who?
Dishes the police! Open up!
7. Knock, knock.
Who’s there?
A little old lady.
A little old lady who?
I didn’t know you could yodel!
8. Knock, knock.
Who’s there?
Harry.
²Harry who?
Harry up and answer the door!
9. Knock, knock.
Who’s there?
Butter.
²Butter who?
Butter open the door before it’s too late!
10. Knock, knock.
Who’s there?
Boo.
Boo who?
Don’t cry, it’s just a joke!
11. Knock, knock.
Who’s there?
Ya.
Ya who?
I’m excited to see you too!
12. Knock, knock.
Who’s there?
Owl.
²Owl who?
Owl be home for Christmas!
13. Knock, knock.
Who’s there?
Doughnut.
²Doughnut who?
Doughnut forget to say hi!
14. Knock, knock.
Who’s there?
Ice cream.
²Ice cream who?
Ice cream every time I see a scary movie!
15. Knock, knock.
Who’s there?
Banana.
²Banana who?
Banana split, so ice cream!
16. Knock, knock.
Who’s there?
Radio.
²Radio who?
Radio not, here I come!
17. Knock, knock.
Who’s there?
Cows go.
Cows go who?
No silly, cows go moo!
18. Knock, knock.
Who’s there?
Al.
²Al who?
Al give you a hug if you let me in!
19. Knock, knock.
Who’s there?
Harry.
²Harry who?
Harry up, it’s time to eat!
20. Knock, knock.
Who’s there?
Buttercup.
²Buttercup who?
Buttercup, it’s too cold outside!
These corny knock knock jokes are perfect for sharing with friends, family, or anyone who needs a good laugh. So go ahead, knock ’em dead with these silly punchlines!