Constance Marie Patterson CBE (1 April 1934 – 27 November 2021) was a British trade unionist. Patterson attended , Salford, and Bedford College, London, before becoming active in the Transport and General Workers' Union (TGWU). She was appointed as the union's women's officer in 1963, when she was also elected to the general council of the Trades Union Congress (TUC), while in 1966 she was elected to the executive of the Confederation of Shipbuilding and Engineering Unions (CSEU).