| Olympic medal record
|Bronze||1912 Stockholm||Team eventing|
Ephraim Foster Graham (August 10, 1888 – December 23, 1962) was an American horse rider who competed in the 1912 Summer Olympics.
He attended the United States Military Academy at West Point, and graduated in 1903.  He later was an officer with the 10th U.S. Cavalry 10th Cavalry Regiment (United States), also known as the Buffalo Soldiers Buffalo Soldier.
In 1912, he competed in the military riding event for the U.S. Military team. He and his horse Connie won the bronze medal as member of the American team in the team eventing after finishing twelfth in the individual eventing competition.
Ephraim Graham was an officer in the 10th U.S. Cavalry, also known as the Buffalo Soldiers. He competed in the military riding event for the U.S. Military team in 1912.