| Sir Thomas Alexander Vans Best | |
| Office2: | Governor of the Windward Islands |
| Term Start2: | 1930 |
| Term End2: | 1935 |
| Predecessor2: | Sir Frederick Seton James |
| Successor2: | Sir Selwyn MacGregor Grier |
| Birth Date: | 1870 10, df=yes |
| Birth Place: | United Kingdom |
| Spouse: | Lady Helena Leopoldine Montagu |
Sir Thomas Alexander Vans Best, (8 October 1870 – 24 November 1941)[1] was a British colonial administrator.
He was born the son of Dr Alexander Vans Best of Aberdeen, previously a Staff Surgeon in the Bengal Army.
Thomas Vans Best joined the Colonial Service and served as Acting Governor of the Leeward Islands on behalf of Sir Edward Marsh Merewether from 1916 to 1919 and as Colonial Secretary of Trinidad and Tobago from August, 1919.[2]
He was Lieutenant Governor of Malta from 1925 to 1930 and Governor of the Windward Islands from 1930 to 1935. He was awarded KBE in 1926 and KCMG in 1932.
He married Lady Helena Leopoldine Montagu, the daughter of Rear-Admiral Hon. Victor Alexander Montagu.