Rumen Dimitrov (Bulgarian: Румен Димитров; born May 10, 1982) is a Bulgarian Sambo practitioner and mixed martial artist who has won gold and two bronze medals at the Combat Sambo World Championships.

[1] Part of the Dimitrov family which has produced significant success in Combat Sambo for Bulgaria, Rumen has medaled two consecutive years in the middleweight category for Combat Sambo.

When he was a child he weighed around 100 kilograms, but his coach Gele , who taught him sambo and judo, made him the professional he is today.

[citation needed] Competing primarily in Bulgaria, Dimitrov has proven himself to be a rising prospect much like his brother Rosen Dimitrov.

He is the current MAX FIGHT middleweight champion, which is a Bulgarian promotion.