Lahman is a surname. Notable people with the surname include:
Bertha Marion Lahman (1872–1954), American botanist Eyal Lahman (born 1965), Israeli football manager Otokar Lahman (1899–1977), Croatian writer and demographer Sean Lahman (born 1968), American writer and researcher
See also Lahmansville, West Virginia, named for the Lahman family who settled in the area prior to West Virginia statehood Lahmann