Don Cornelius -- who famously created "Soul Train" was found dead in his Sherman Oaks, CA home this morning ... and law enforcement sources tell us it appears he committed suicide.
We're told cops discovered the body at around 4 AM PT. Law enforcement sources tell us ... Cornelius died from a gunshot wound and officials believe the wound was self-inflicted.
"Soul Train" changed the landscape of television when it debuted in 1971 and ran until 2006.
Don Cornelius was 75.