Sefer Talat Özkarslı (21 March 1938 – 10 June 2020), nicknamed Koçero, was a Turkish football manager and footballer. He played as a defender. Özkarslı was best known for his playing career with Galatasaray from 1961 to 1971. He also played for the national team from 1962 to 1968. He also managed Gaziantepspor. Özkarslı was born in Gaziantep, Turkey.