Rottmann is a German surname. Notable people with the surname include:
Carl Rottmann (1797–1850), German landscape painter Manuela Rottmann (born 1972), German politician Nicole Rottmann (born 1989), Austrian tennis player Wolfgang Rottmann (born 1973), Austrian biathlete Sándor Rott (1868–1942), born as Sándor Rottmann, Hungarian actor
See also 5197 Rottmann, main-belt asteroid