Lost Battalion

Lost Battalion may refer to:


 * Lost Battalion (World War I), American units which were isolated by Germans in 1918
 * Lost Battalion (World War II), an American battalion which was surrounded by Germans in 1944
 * Lost Battalion (World War II), 2nd Battalion, 131st Field Artillery of the 36th Infantry Division, Texas National Guard, captured on Java by the Japanese when the Dutch surrendered.
 * The Chinese Lost Battalion during the Defense of Sihang Warehouse in 1937
 * The Lost Battalion (1919 film), a 1919 film about the World War I event
 * The Lost Battalion (2001 film), a remake of the 1919 film