Daniel Duffy (3 October 1929 – 16 March 2004) was a Scottish trade unionist, who served as chair of the Transport and General Workers' Union, and on the General Council of the Trades Union Congress.
Duffy grew up in Glasgow, and attended St Mungo's Academy.
In 1947, he began working as a driver, and he joined the Scottish Horse and Motormen's Association.
[1] In 1971, the Scottish Motormen became part of the Transport and General Workers' Union (TGWU), and Duffy was elected to the TGWU's executive council.
[1] In 1992, he stood down from the General Council, and instead won election to the National Executive Committee of the Labour Party.