Konstantinović () is a Serbian surname, a patronymic derived from the masculine given name Konstantin (Constantine). It may refer to the following notable people:
Radomir Konstantinović (1928−2011), Serbian writer and philosopher Katarina Konstantinović (1848–1910), Serbian noblewoman Natalija Konstantinović (1882−1950), Princess consort of Montenegro Anka Konstantinović (1821–1868), Serbian noblewoman
See also Kostadinović, similar surname