Şahin "Kaas" Yakut (pronounced in general) (born 08 May 1979, Iğdır, Turkey) is a Turkish kickboxer and MMA Fighter who currently lives in Heerhugowaard, the Netherlands, since he had moved with his family when he was a teenager.

He trains in Alkmaar GYM and is also a member of It's Showtime Team which is trained by Edwin van Os and owned by promoter Simon Rutz. Gago Drago and Joerie Mes are some of his sparring mates at his team. He is known for his in-fighter style which makes a massive pressure on his opponents, his flashing kicks and above all, his endurance and ambition.

He involved several organizations such as Super League, It's Showtime Trophy and special events like Challenge Private Party. He had 5 wins/1 loss record in his Super League Career in which some good fighters competed throughout the Europe.