Adnan Coker (Adnan Çoker) (born 1927 in İstanbul) is a Turkish abstract artist. He graduated from Academy of Fine Arts Istanbul in 1951 and won European Concourt Prize in 1955. He went on to Paris on a scholarship from the Turkish state. He worked at the André Lhote, Henri Goetz and Hayter studios in Paris and the Emilio Vedova Studio at the International Salzburg Summer Academy.