Thomas Horn

Thomas or Tom Horn may refer to:


 * Tom Horn (1860–1903), American scout, cowboy, soldier, range detective, and Pinkerton agent
 * Tom Horn (film), 1980 Western film
 * Thomas E. Horn, president of the San Francisco War Memorial and Performing Arts Center
 * Thomas Horn (actor) (born 1997), American actor who played Oskar Schell in Extremely Loud & Incredibly Close