Rumen Trifonov is a Bulgarian former professional footballer who played as a defender. He is currently working as a youth coach for CSKA Sofia.

The 2011 Bulgarian Supercup was the ninth Bulgarian Supercup match, a football match which was contested between the "A" professional football group champion, Litex Lovech, and the winner of the Bulgarian Cup, CSKA Sofia. The match was held on 30 July 2011 at the Lazur Stadium in Burgas.