Kim Kardashian West blasted 'Bachelor' creator Mike Fleiss for claiming he's in talks to make Khloe the next 'Bachelorette' ... and shared texts showing he's full of it.

Kim went off on Twitter Saturday in response to Mike's earlier tweet that he'd been in contact with his "dear friend" Kris Jenner about Khloe being "The Bachelorette" next season ... by calling it "Fake f***ing news big time!!!!"

Fleiss replied saying Kim wouldn't know ... so she fired back with a screenshot of a text between her mom and her sister denying his claims.

Khloe also went after Mike with a little extra animosity and a threat, tweeting ... "I’m not f***ing clickbait right now. Stop or you will be hearing from my lawyers. How insensitive!!"

Fleiss responded by saying he's just trying to help people find true love.

As you know, Khloe is single after splitting with Tristan Thompson because he allegedly cheated on her again ... this time with Kylie's BFF Jordyn Woods.