İlhan Eker (born 1 January 1983) is a Turkish former professional football defender. Standing at 185 cm, he was equally adept at playmaking and scoring.
Eker has previously played for Balıkesirspor. From Balıkesirspor, he moved to Hacettepe Spor in 2001. Seven years later, Eker transferred from Gençlerbirliği OFTAŞ,[1] which is now called Hacettepe Spor, to Gençlerbirliği. On 2 June 2010, the 27-year-old center back left Gençlerbirliği to sign with Fenerbahçe until 30 June 2013. Eker was sent to Kayserispor in exchange for Serdar Kesimal to Fenerbahçe SK.