Orbach is a surname. Notable people with the surname include:
Elaine Cancilla Orbach (1940–2009), American stage and musical theatre actress and dancer Jerry Orbach (1935–2004), American actor Maurice Orbach (1902–1979), British politician Nir Orbach (born 1970), Israeli politician Raymond L. Orbach (born 1934), American physicist and administrator Susie Orbach (born 1946), London-based psychotherapist, psychoanalyst, writer and social critic Uri Orbach (1960–2015), Israeli politician, journalist and writer Wilhelm Orbach (1894–1944), German chess master
See also Ohrbach's department store