Okan Aydın

Aydın went through Bayer 04 Leverkusen's youth ranks and eventually made his Bundesliga debut in October 2012 in a 2–2 draw with Mainz 05, as a substitute for Simon Rolfes. On 6 September 2013, he joined Eskişehirspor on a three-year contract. After not being able to establish himself at the Turkish club and earning only a single cap during the 2013–14 season, he moved back to Germany and joined 3. Liga side Rot-Weiß Erfurt. There he signed a one-year contract including a two-year extension clause. In September 2020, Okan moved to China League One side Jiangxi Liansheng F.C. from Austria Klagenfurt. On 14 January 2022, Okan signed a 1.5-year contract with TSV Hartberg in the Austrian Football Bundesliga. On 14 February 2023, Okan joined Debrecen in Hungary. On 4 February 2024, he returned to Austria and signed with Schwarz-Weiß Bregenz.

Aydın played for the Turkey national under-19 football team, which won the silver medal at the 2013 Mediterranean Games in Mersin, Turkey. He also represented Turkey at the 2013 UEFA European Under-19 Championship. Aydin also represented Germany at the 2011 U17 World Cup where he helped Germany obtain third place after losing a dramatic overtime game in the semifinals to the eventual champions and hosts Mexico.

Aydın's younger brother, Anıl Aydın, is also a professional footballer.