Ormsby is a surname. Notable people with the surname include:
Alan Ormsby (born 1944), American director and screenwriterBrendan Ormsby (born 1960), English professional footballerEric Ormsby (born 1941), American poet and a man of lettersFrank Ormsby (born 1947), Northern Irish poetJohn Ormsby (disambiguation), multiple peopleKristian Ormsby (born 1980), New Zealand rugby union playerLen Ormsby (1890–1983), American racecar driverMary Ormsby (born 1960), Canadian associate sports writerStephen Ormsby (1759-1844), U.S. Representative from KentuckyWaterman Ormsby (1809-1883), a 19th-century banknote engraver, inventor and artistWaterman L. Ormsby (1834–1908), correspondent for the New York Herald and Western explorer