Gach (surname)

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