Caldwell is the given name of:
Caldwell Hart Colt (1858–1894), American inventor and yachtsman and son of Samuel Colt
Caldwell Edwards (1841-1922), U.S. Representative from Montana
Caldwell Esselstyn (born 1933), American cardiologist and former Olympic rowing champion
Caldwell Jones (born 1950), American retired basketball player
Caldwell Stewart (1907-1967), Canadian politician and lawyer