Lieutenant-Colonel Sir Walter Edgeworth-Johnstone KBE CB (24 June 1863 – 4 January 1936) was an Irish sportsman and police official who held the Amateur Boxing Association of England 1895 and 1896 heavyweight titles.

[1] He was born Walter Johnston in 1863 in Kingstown (now Dún Laoghaire), County Dublin, Ireland.

[4] He was commissioned a lieutenant in the Royal Irish Regiment on 25 August 1886, and promoted to captain on 5 April 1893.

[1] The unarmed Dublin Metropolitan Police stayed largely neutral during the Irish War of Independence.

Walter Edgeworth-Johnstone died 4 January 1936 in Regent's Park Terrace, London.