Altmeyer is a surname. Notable people with the surname include:

Arthur J. Altmeyer (1891–1972), American government official Fritz Altmeyer (1928–2013), German footballer Jeannine Altmeyer (born 1948), American soprano Ralf Altmeyer (born 1966), German virologist Theo Altmeyer (1931–2007), German classical tenor

See also Altmayer, people with this surname Altmaier (surname), people with this surname Peter Altmeier