| Honorific-Prefix: | Sir |
| William Douglas, | |
| Honorific-Suffix: | KCMG PC |
| Primeminister: | Errol Barrow Tom Adams |
| Term Start: | 9 August 1976 |
| Term End: | 17 November 1976 |
| Predecessor: | Arleigh Scott |
| Successor: | Deighton Ward |
| Monarch2: | Elizabeth II |
| Primeminister2: | Tom Adams |
| Term Start2: | 10 January 1984 |
| Term End2: | 24 February 1984 |
| Predecessor2: | Deighton Ward |
| Successor2: | Hugh Springer |
| Birth Date: | 24 September 1921 |
| Birth Place: | British Windward Islands (present day Barbados) |
| Death Place: | Bridgetown, Barbados |
| Spouse: | Thelma Douglas (died. 1992) Denise Douglas (m. 1997) |
Sir William Randolph Douglas, (24 September 1921 – 12 August 2003) was a Barbadian politician who served as Chief Justice of Barbados from 1965 to 1986,[1] [2] and twice served as the acting Governor-General: from 9 August 1976 until 17 November 1976, and again from 10 January 1984 until 24 February 1984.[3] Between 1987 and 1991, Douglas served as ambassador to the United States.[4]