Lefler is a surname of Austrian origin. Notable people with the name include:
Doug Lefler, American film director, screenwriter, film producer and storyboard artist Franz Lefler (1831–1898), Austrian painter Heinrich Lefler (1863–1919), Austrian painter, graphic artist and stage designer John Lefler (born 1975), American songwriter, singer, guitarist, and pianist Wade Lefler (1896–1981), American baseball player