Hamidou Sinayoko (born 11 March 1986) is a Malian professional footballer who plays as a forward for Djoliba AC.
Sinayoko was born in Ségou. He started his career with Union Sportive Bougouni in his hometown, before moved 2011 to Onze Créateurs de Niaréla. He played for Onze Createurs until 2013 and signed than for Djoliba AC in summer 2013.
In January 2014, coach Djibril Dramé, invited him to be a part of the Mali squad for the 2014 African Nations Championship. He helped the team to the quarter-finals where they lost to Zimbabwe by two goals to one. He played three games for Mali national football team.