Katarina Blagojevic (Serbian: ???????? ??????????; born 31 October 1943), née Jovanovic (Serbian: ?????????), also 'Katarina Jovanovic-Blagojevic, is a Serbian and Yugoslav chess player who holds the title of Woman International master (WIM, 1964).
She is a three-time winner of the Yugoslav Women's Chess Championship (1961, 1972, 1974).