Kirchmann is a surname of Middle High German origin. Deriving from the German "kirch", it was an occupational name, referring to someone either working in or living near a church. It was sometimes Americanized as Cashman.
Notable people with the surname include:
Bohuslav Kirchmann (born 1902 - date of death unknown), Czech fencer Leah Kirchmann (born 1990), Canadian racing cyclist Sigrid Kirchmann (born 1966), former high jumper from Austria
See also Julius von Kirchmann (1802–1884), German jurist and philosopher Kirkman (harpsichord makers), also called Kirchmann