Harold Hampton Hardwick (14 December 1888 – 22 February 1959) was a versatile Australian sports star of the early 20th century - an Olympic gold medal swimmer, national heavyweight boxing champion, and a state representative rugby union player.
He later became a colonel in the Australian Imperial Force.
Hardwick was on the winning team of the 4x200-metre freestyle relay at the 1912 Summer Olympics and won bronze medals in the 400-metre and 1500-metre freestyle.