Imbach is a surname. Notable people with the surname include:

Emil J. Imbach (1897–1970) , Swiss botanist and mycologist Josef Imbach (athlete) (1894–1964), Swiss sprinter Josef Imbach (theologian) (born 1945), Swiss theologian Thomas Imbach (born 1962), Swiss film director

See also Imsbach, is a municipality in the Donnersbergkreis district, in Rhineland-Palatinate, Germany