Which famous people use Keto diet?

1 person has talked about it publicly.

Keto diet

Uses it

Meat-heavy keto; says he feels best eating a lot of meat

In his January 2021 AMA episode Lex said he had enjoyed the keto diet for many years and feels best on lots of meat, while stressing he would not claim it suits everyone.

“for many years now, I've been really enjoying the keto diet.”Lex Fridman

Source: Transcript of Lex Fridman: Ask Me Anything – AMA January 2021 (podcast, 27 Jan 2021)