Adelaide Trowbridge Crapsey (1855–1950) was an American businesswoman. Her Adelaide T. Crapsey Company, which made dresses for girls, sold the dresses it produced "all over the United States and in many foreign countries." The way her company cared for its employees was commended by the state of New York and in Nation's Health, a national magazine. She was the wife of American Episcopal priest and social reformer Algernon Sidney Crapsey and mother of American poet Adelaide Crapsey.