Lawder is a surname. Notable people with the surname include:
Edward James Lawder (1821–1900), British military officer Harry C. Lawder (1844–1921), American politician Margaret Lawder (1900–1983), Irish and South African botanist Nicole Lawder (born 1962), Australian politician Robert R. Lawder (died 1967), American politician Standish Lawder (1936–2014), American artist and historian