Dad Jokes 
Looking to add a little twist to your humor? Dark humor knock knock jokes are the perfect way to blend the classic setup of a knock-knock joke with a cheeky, edgy punchline. If you’re not easily offended and have a taste for the morbidly amusing, these jokes will tickle your funny bone (or at least make you raise an eyebrow). So, grab your friends, knock on their sense of humor, and get ready to dive into 20 of the funniest dark humor knock knock jokes you’ve ever heard!
1. “Knock, knock.”
Who’s there? Dishes.
²Dishes who?
Dishes the police! Open up!
2. “Knock, knock.”
Who’s there?
Lettuce.
²Lettuce who?
Lettuce in, it’s cold out here and I’ve got a skeleton in my closet!
3. “Knock, knock.”
Who’s there?
Canoe.
²Canoe who?
Canoe believe it? This is the last joke you’ll ever hear!
4. “Knock, knock.”
Who’s there?
Olive.
²Olive who?
Olive you and I’m dying to see you!
5. “Knock, knock.”
Who’s there?
Boo.
Boo who?
Don’t cry; it’s just a joke! Or is it…?
6. “Knock, knock.”
Who’s there?
Howard.
²Howard who?
Howard you like to be my ghost this Halloween?
7. “Knock, knock.”
Who’s there?
Atch.
Atch who?
Bless you! Or is that the last thing you’ll hear?
8. “Knock, knock.”
Who’s there?
Doughnut.
²Doughnut who?
Doughnut disturb the dead! They need their rest!
9. “Knock, knock.”
Who’s there?
Tank.
Tank who?
You’re welcome! Now let’s talk about that coffin!
10. “Knock, knock.”
Who’s there?
Figs.
²Figs who?
Figs the doorbell; I’ve got some bad news!
11. “Knock, knock.”
Who’s there?
Alpaca.
²Alpaca who?
Alpaca the suitcase; you’re never coming back!
12. “Knock, knock.”
Who’s there?
Cereal.
²Cereal who?
Cereal killer; let me in before I eat your brains!
13. “Knock, knock.”
Who’s there?
Justin.
²Justin who?
Justin time to hear the news—I’m a ghost now!
14. “Knock, knock.”
Who’s there?
Barking.
²Barking who?
Barking up the wrong tree? Better run before I haunt you!
15. “Knock, knock.”
Who’s there?
Bite.
²Bite who?
Bite the dust, buddy; it’s your turn!
16. “Knock, knock.”
Who’s there?
Harry.
²Harry who?
Harry up; I don’t have much time left!
17. “Knock, knock.”
Who’s there?
Ketchup.
²Ketchup who?
Ketchup with me before it’s too late!
18. “Knock, knock.”
Who’s there?
Wendy.
²Wendy who?
Wendy you think you’ll finally let me out of this coffin?
19. “Knock, knock.”
Who’s there?
Cereal.
²Cereal who?
Cereal-ously, let me in before it’s all over!
20. “Knock, knock.”
Who’s there?
Mortuary.
²Mortuary who?
Mortuary you going? You can’t escape the punchline!
Final Thoughts on Dark Humor Knock Knock Jokes
There you have it—20 dark humor knock knock jokes that are sure to push the boundaries of your typical joke-telling experience! These punchlines blend classic humor with a darker twist, making them perfect for those who appreciate the edgier side of comedy. Share these jokes at your next gathering, but remember: not everyone is ready for this level of humor! So, knock, knock, and let the laughter begin!