This article lists notable people with the given name Thomas. * Bastiampillai Anthonipillai Thomas (1886–1964), Sri Lankan Tamil Roman Catholic priest, founder of the Rosarians Order * Thomas Boylston Adams (1772–1832), Massachusetts legislator and judge and brother of John Quincy Adams * Thomas Boylston Adams (1910–1997), Massachusetts executive, writer, and political candidate * Thomas Amarasuriya (1907–1979), Sri Lankan planter and politician * Thomas Aquinas (1225–1274), Italian philosopher and theologian * Thomas Audley, 1st Baron Audley of Walden (c.1488 – 1544), English barrister and judge, Lord Chancellor * Thomas Bardwell, English portrait and figure painter, art copyist, and writer * Saint Thomas Becket, Archbishop of Canterbury from 1162 until his murder in 1170 * Thoma