Here are some randomly selected joke topics beginning with the letter 'P'
Pen
Why is ink like a pig?
They both can be found in a pen.
Penny
Knock Knock.
Who's there?
Penny!
Penny Who?
Penny For your thoughts!
Penguins
Hear about the polar bear who tried to eat a penguin?
He couldn't get the wrapper off.
People
What do spotty people go riding in?
Acne carriages.
People
Calling you stupid would be an insult to stupid people.
Penguins
Q: Why don't elephants like penguins?
A: They can't get the wrapper off.(Too whom it may concern: Penguins are a brand of cookies).
People
Because light travels faster than sound, is that why some people appear bright until you hear them speak?
People
The more people I meet, the more I like my dog.
Pencil
Patient: Doctor, doctor, I feel like a pencil.
Doctor: Can you get to the point.