| William Capper | |
| Birth Date: | 6 February 1856 |
| Birth Place: | Bath, Somerset, England |
| Death Place: | Bath, Somerset, England |
| Allegiance: |  United Kingdom |
| Branch: | British Army |
| Serviceyears: | 1876–1913 |
| Rank: | Colonel |
| Commands: | Royal Military College, Sandhurst |
| Battles: | World War I |
| Awards: | Commander of the Royal Victorian Order |
Colonel William Baume Capper CVO (6 February 1856 - 15 January 1934) was a British Army officer who became Commandant of the Royal Military College Sandhurst.
Capper was born on 6 February 1856 at Newbridge Hill, Bath, Somerset,[1] his father William Copeland Capper having been in the Bengal Civil Service. Educated at Haileybury,[2] Capper was commissioned into the 85th Regiment of Foot in 1876 and subsequently played cricket for Shropshire[3] in 1882-83 and for Staffordshire.[1] He became adjutant of the King's Shropshire Light Infantry in 1886. He served in the Second Anglo-Afghan War, in the 1882 Anglo-Egyptian War and in the Mahdist War in Sudan from 1884 to 1885.[4] He was Commandant of the Royal Military College Sandhurst from 1907 to 1911[5] and then served in World War I, following which he was made a CVO in 1919.[4]
In 1888 he married Helen Margaret Parry; they had two daughters.[4] He died aged 77 in January 1934 at Newbridge Hill, Bath.[1]
He had three brothers all who served in the Army, one was Major-General Sir Thompson Capper KCMG, CB, DSO who was killed in World War I,[6] and another was Major-General Sir John Edward Capper.[7]