Dame Sandra Prunella Mason FB GCMG DA SC (born 17 January 1949) is a Barbadian politician, lawyer, and diplomat who is serving as the first president of Barbados since 2021.

Mason enrolled in the University of the West Indies at Cave Hill, where she earned a Bachelor of Laws.

[9] Between 1991 and 1992, Mason served as chair[3] and was one of the two women appointed to the 13-member CARICOM commission charged with evaluating regional integration.

[10] In 2000, Mason completed studies on Alternative Dispute Resolution at the University of Windsor in Windsor, Ontario, Canada, and then completed a Fellowship with the Commonwealth Judicial Education Institute in Halifax, Nova Scotia, in 2001, as well as a course in Advanced Dispute Resolution at UWI.

[3] She continued to serve as Registrar of the Supreme Court until 2005, when she was appointed as Queen's Counsel to the Inner Bar of Barbados.

[3] For three days in 2012, she became the acting Governor-General of Barbados[11] and the following year was the first Barbadian appointed to membership in the Commonwealth Secretariat Arbitral Tribunal (CSAT).

The Tribunal operates among members of the Commonwealth of Nations to resolve issues concerning contract disputes.

[14] She was then expected to be nominated as a candidate to be the first president of Barbados, then to be elected by the two houses of parliament, and to assume office on 30 November 2021.

[15][16][17] On 12 October 2021, Mason was nominated by Prime Minister Mia Mottley and Opposition Leader Joseph Atherley to become the first president of Barbados.