Thomas Watters Brown, KC, PC, (17 March 1879 – 7 October 1944) was an Irish lawyer and politician. Thomas Watters Brown was born at The Square in Newtownards, County Down on 17 March 1879 and was the son of James A. Brown, a wool draper, and Mary Anne Watters. He was educated at Campbell College, Belfast and Queen's University Belfast. He was called to the Bar in 1907 and took silk in 1918.