Luka Grubor (born 27 December 1973) is a retired rower, born in Zagreb, who competed internationally for Yugoslavia, Croatia and Great Britain, as well as for Oxford in the 1997 Boat Race.
Grubor won a gold medal in the men's eight at the 2000 Summer Olympics in Sydney, as a member of the British rowing team.Grubor studied at Somerville College, Oxford.