Gach is a surname with multiple origins. Notable people with the surname include: Gary Gach (born 1947), American author, translator, and poet J. R. Gach (1952–2015), American talk radio host Jiří Gach (born 1969), Czech sports shooter Kacper Gach (born 1998), Polish footballer Richard Gach (1930–1991), Austrian architect See also References Polish-language surnames German-language surnames