Abraham (Avraham) ben Samuel Firkovich (Hebrew אברהם בן שמואל - Avraham ben Shmuel; Crimean Karaim: Аврагъам Фиркович - Avragham Firkovich) (1786-1874) was a famous leader of the Qarays (Crimean Karaites). He was born in Lutsk, Volhynia, then lived in Lithuania, and finally settled in Çufut Qale, Crimea. Firkovich was a communal leader and hakham.