Oyler is a surname. Notable people with the surname include:
Andy Oyler (1880–1970), American baseball player Carol Oyler (born 1947), New Zealand cricketer Chris Oyler, American author Don Oyler (1907–1989), Canadian curler John Vincent Oyler (born 1968), American businessman Lauren Oyler, American writer Ray Oyler (1937–1981), American baseball player Raymond Lee Oyler, American arsonist Elsa Giöbel-Oyler (1882–1979), Swedish painter
See also Leonhard Euler, Swiss mathematician whose name is pronounced as 'OY-ler'
Oiler (disambiguation)