Carlton Lee Brosius (July 18, 1876 – September 28, 1956) was an American Army officer, competitor in the 1920 Summer Olympics in tug of war, and nationally renowned physical trainer.
His father, George, served in the 35th Wisconsin Infantry Regiment during the Civil War and became a prominent physical trainer in the Milwaukee area.
Brosius enlisted into Company F of the 4th Wisconsin Infantry Regiment (National Guard) in April 1896 and volunteered for service in the Spanish–American War in 1898.
Brosius was mustered into service for the Mexican Border War in June 1916, where he commanded an infantry regiment.
Following the Olympics, Brosius worked as a physical trainer at St. John's Northwestern Military Academy in Delafield, Wisconsin.