not that I know of

This page is about the conversational phrase not that I know of

Meaning

You can say this if you've been asked a question and, to the best of your knowledge, the answer is "no".

For example

  • "Has anyone reported a lost dog?"
    "Not that I know of, but I'll check for you. Just a moment."

  • "Are there any vegetarian restaurants around here?"
    "Not that I know of, but I'll ask Nick. He'd know."

Note:

1. Also "Not that I'm aware of", "Not as far as I know" and "Not to my knowledge"
2. You can use this if you're asked a "yes/no" question about information, but not if you're asked a "yes/no" question about how you feel or what you think.

Quick Quiz

To which question could you answer "Not that I know of"?

a. "Are you feeling any better?"

b. "Are they treating you well?"

c. "Are there any doctors here?"
a) "Are you feeling any better?" b) "Are they treating you well?" c) "Are there any doctors here?"

Contributor: Matt Errey