Nalder is a surname of English origin. People with the surname include:
Bill Nalder (born 1952), former Australian rules footballer
Cambell Nalder (1937–1987), Australian politician, son of Crawford Nalder
Crawford Nalder (1910–1994), Australian politician
Dean Nalder (born 1966), Australian politician, grandson of Crawford Nalder
Eric Nalder, American journalist
Leonard Fielding Nalder (1888–1958), British colonial administrator
Reggie Nalder (1907–1991), actor
Ron Nalder (born 1939), Australian rules footballer
