Which one is correct?

Not that I've heard.
Not that I've heard of.

Question

Which one is correct?

Not that I've heard.
Not that I've heard of.

Answer

It depends on context.  e.g.,

Did you hear that John is coming to town? - Not that I've heard.

Did you hear of any news about john cheating on his wife? - Not that I've heard of.

Answer

2

Answer

Not that I've heard of.

Answer

The first one, we often speak the phrase ''Not that I've heard'' as a response to a question.

Example:
Friend 1: Hey, man, do you know if the Green Day tickets went on sale yet?
Friend 2: No, man, not that I've heard.