Harry Leonard may refer to:
Harry Ward Leonard (1861–1915), electrical engineer and inventor Harry Leonard (footballer, 1886–1951), English football forward Harry M. Leonard (1900–1985), American sound mixer Harry Leonard (rugby union) (born 1992), Scottish rugby union player Harry Leonard (footballer, born 2003), English football forward for Blackburn Rovers Harold Leonard (conductor), conductor of the Waldorf–Astoria Orchestra
See also Henry Leonard (disambiguation)