William C. Traphagen (1837–1894), American attorney and New York State Senator Henry Traphagen (1842–1918), Mayor of Jersey City, New Jersey Oliver Green Traphagen (1854–1932), American architect Charles Duryee Traphagen (1862–1947), American publisher of the Nebraska State Journal John C. Traphagen (1889–1979), American banker
See also Traphagen School of Fashion Traphagen Tavern (better known today as the Beekman Arms Inn)