Thomas McLaughlin (1878 or 1879–April 1944) was an Irish nationalist politician.
Born in Armagh, he became politically active and rose to become the chair of Armagh Urban Council and a member of Armagh County Council. He also served as Supreme Knight of the Knights of Saint Columbanus.[1] In 1928, he was the founding chairman of the National League of the North in Armagh.[2] In 1933, he was elected to represent the Nationalist Party in the Senate of Northern Ireland, and served until his death.[1]