Mustafa Pektemek (born 11 August 1988) is a Turkish footballer who plays as a striker for Kasimpasa.
After breaking his leg at the start of the 2010–11 Süper Lig season, he scored on his first appearance back for Gençlerbirligi six months later, scoring in a 1-0 win against Istanbul B.B.
On 27 May 2011 Besiktas announced that Pektemek has been transferred from Gençlerbirligi for €4 million.During the first derby match on the second week of the 2012 - 2013 season against rivals Galatasaray he suffered a knee injury, leaving the match immediately.