Sir Cardinal LeRoy Trotman, KA (born 9 May 1944) is a Barbadian trade unionist and politician.
In 1971, he began working full-time for the union, initially as personal assistant to its general secretary, Frank Walcott.
He also became politically active, and in 1986 won election to the House of Assembly of Barbados, representing St Michael Central for the Democratic Labour Party (DLP).
The following year, he founded the Congress of Trade Unions and Staff Associations of Barbados, and was elected as its first president.
In recognition of his work, he was knighted in 2002, and received an honorary doctorate from the University of the West Indies in 2006.