Harm "Harry" Sinkgraven (born 21 January 1966) is a Dutch football coach and former professional player.

He managed Canadian soccer team FC Edmonton from December 2010 until he was released by the club in September 2012.

[1] Sinkgraven spent a number of years as assistant manager at FC Zwolle, before taking charge of the Indonesian Olympic team in 2006.

Sinkgraven left a year later, returning to the Netherlands to coach at the women's football club of SC Heerenveen, before managing FC Emmen for a year.

Sinkgraven took charge of Canadian soccer team FC Edmonton in December 2010 until he was released by the club in September 2012.