Thomas Allston Brown (January 16, 1836 – April 2, 1918) was an American theater critic, newspaper editor, talent agent and manager, and theater historian, best known for his books, History of the American Stage (Dick & Fitzgerald: New York, 1870) and A History of the New York Stage from the First Performance in 1732 to 1901 (Dodd Mead: New York, 1902).