|Full name||Orhan Ak|
|Date of birth||September 29, 1979|
|Place of birth||Adapazarı, Sakarya, Turkey|
|Height||1.79 m (5 ft 10 in)|
|1998–1999||→ Kuşadasıspor (loan)||17||(2)|
|2007–2008||→ Ankaraspor (loan)||12||(0)|
* Senior club appearances and goals counted for the domestic league only.
Ak began his professional career with Kocaelispor in 1996. He played for the club until 2003, totaling 77 appearances for the club, as well as several caps for various levels of youth international teams. He also spent the 1998–99 season on loan at Kuşadasıspor. Galatasaray transferred him before the start of the 2003–04 season. He spent five years with the club before he was shipped off to Antalyaspor. He also spent one season on loan at Ankaraspor. During his tenure with Galatasaray, Ak won a Süper Lig title and a Turkish Cup, as well as caps for the Turkey national football team. Bucaspor transferred him in 2010.
Ak's international career began at the U-15 level. He was called up for two friendlies against Germany, but did not play. He has been capped at U-17, U-18, and U-21 level as well. He has won three caps with Turkey.
- Turkish Cup: 2001–02