Osman Denizci (born 13 October 1957) is a Turkish former football player, who played as a midfielder, and manager.
Osman begun his footballing career with Çaykur Rizespor, and moved to Fenerbahçe on the request of his brother, Ali Kemal Denizci, who was a star of the team.
In the 1982-83 season, Osman was told he would be sold in the summer of 1983 to Trabzonspor, which was Fenerbahçe's rival for the title at the time.
Osman continued playing for Fenerbahçe as the season was closing and scored the Süper Lig-winning goal on the last matchday, against Bursaspor, on 10 June 1983.
[2] Osman's older brother, Ali Kemal Denizci, was a legendary player in the Süper Lig, who played alongside him in Fenerbahçe.