O.J. Simpson is Khloe Kardashian's father? No. Kardashians denied months ago
However, the Kardashian family has always adamantly denied that Khloe's father is someone other than Robert, including the wild rumor that her father is none other than Robert Kardashian's famous client, O.J. Simpson.
In fact, the denials came back in January, the last time this rumor reared its ugly head. Jenner tweeted, "Wow some of the stories out there today are either fabricated, or SO 24 years ago!!"