Allemand is a French surname meaning "German". Notable people with the surname include:
César Allemand (1846–1918), French doctor and politician Gia Allemand (1983–2013), American model Jean-Pierre Allemand (born 1942), French fencer Julie Allemand (born 1996) Belgian basketball player Pierre Allemand, (1662–1691), French seaman and trader in New France Prosper Allemand (1815–1901), French doctor and politician Romain Allemand (born 2006), French snowboarder Zacharie Allemand (1762–1826), French admiral