Betül Yılmaz (born 31 October 1988 in Ümraniye, Istanbul) is a Turkish handballer playing in left back position. The 178 cm (5 ft 10 in) tall sportswoman at 62 kg (137 lb) is a member of the Turkish national team. She was educated in physical education and sports at Kocaeli University. Yılmaz is since 2005 a member of Üsküdar Belediyespor in Istanbul. In May 2015, she transferred to Zağnos SK from Kastamonu Bld. SK.