Oktay Mahmuti (; ; born 6 March 1968) is a Turkish-Macedonian professional basketball coach of Albanian origin. Mahmuti is well-known for coaching defense, particularly during his time with Efes and Benetton Treviso. He is currently unemployed.
In 1992, Mahmuti began his professional level coaching career with Efes Pilsen. On 12 January 2018, Mahmuti was named the head coach of Galatasaray, of the Turkish Basketball Super League (BSL).
Mahmuti was born to Albanian parents living in Skopje. Mahmuti graduated from Istanbul University Faculty of Pharmacy.