Olcay Şahan (Turkish pronunciation: , born 26 May 1987) is a Turkish professional footballer who plays as a winger for Turkish club Trabzonspor. and for the Turkey national team. He can also play as an attacking midfielder.
In 2008, Şahan played his first professional match against Alemannia Aachen with MSV Duisburg shirt. For the following seasons he started to play more frequently. At the season 2010–2011, from the beginning he became the number one choice for his coach Milan Šašić. After a successful season he was transferred to 1. FC Kaiserslautern. With his new team he started to play at Bundesliga level and inspired Fritz-Walter-Stadion guests very quickly in a short time.
Before the 2012–2013 season he was transferred to Turkish side Beşiktaş, for an €800.000 fee on a four-year contract. From the beginning of the season, coach Samet Aybaba used him on the first eleven in every each match. On 22 October 2012, Şahan scored his first league goal against Gaziantepspor. He finished the season with 11 goals and 8 assists. With his successful season he became one of the favorite players of Beşiktaş fans.