Grekov (), or the feminine version Grekova (), are surnames common in Russia, Belarus, and Bulgaria, and may refer to:
People with the surname Grekov Boris Grekov (1882–1953), Soviet historian Dimitar Grekov (1847–1901), Bulgarian politician Mitrofan Grekov (1882–1934), Soviet painter Trifon Grekov (1893–1973), Macedonian physician Valentyn Grekov (born 1976), Ukrainian judoka Yury Grekov (1943–2024), Russian army officer
People with the surname Grekova Irina Grekova (1907–2002), Russian writer and mathematician Nadezhda Grekova (1910–2001), Soviet Belarusian politician Valentina Borisovna Grekova (1931–2019) Soviet Russian art and building restorer Emily Zamourka (née Liudmila Grekova; born ) Moldovan and American singer