Grab is a surname. Notable people with the surname include:
Alexandru Grab (born 1977), Moldavian footballer Christoph Grab (born 1967), Swiss jazz musician Hermann Grab (1903–1949), Bohemian writer in the German language Michael Grab, Canadian artist specializing in rock balancing, photography and videography Sarah Grab (born 1978), Swiss road cyclist Amédée Grab (1930–2019) Swiss priest Vyacheslav Grab (born 1993) Russia Football player
See also Detlev Grabs (born 1960), East German retired swimmer