Major Cyril Penn Hamilton (12 August 1909 – 10 February 1941) was an Australian born English soldier and sportsman. He played racquets, squash, hockey and first-class cricket and rose to the rank of Major in the Royal Artillery. Hamilton was born in Australia in 1909 and died near Keren in Italian Eritrea at the age of 31 in 1941 whilst on active service during World War II.