Mario Bermejo Castanedo (born 7 October 1978) is a Spanish retired professional footballer who played as a striker.

In his early years he played one game each in La Liga with Racing de Santander and Athletic Bilbao, and then went on to represent teams in the lower leagues on loan.

[8] After a season-long loan at Polideportivo Ejido, Bermejo was released and joined another side in the region, Xerez CD.

[9] 2008–09 was highly productive both collectively (promotion, also a first-ever) and individually (12 league goals, third-best in the squad, to Momo's 17 and Antoñito's 13),[10] and the player, aged 30, agreed to a new two-year contract.

[11] They were immediately relegated the following campaign, but the player ranked amongst the league's top scorers at 12,[12] also netting in the last minute of a 2–1 home win against Almería on 1 May 2010.