King Osei Gyan (born 22 December 1988) is a Ghanaian former professional footballer who played as a midfielder.

Gyan trained at the Right to Dream Academy in Ghana before leaving his home country for the United States to further his football career.

In 2006, he joined the youth system of English Premiership club Fulham, and in 2008 was loaned to Belgian Jupiler League side Germinal Beerschot until 2010 due to work permit issues.

[6] In January 2011, Gyan joined Canadian club Toronto FC of Major League Soccer on trial for their pre-season in Antalya, Turkey.

[8] Swedish club Halmstads BK signed him on a one-year contract after a week of tryouts on 11 February 2014.