Cyrus Sears (March 10, 1832 – November 30, 1909) was an American soldier who fought in the American Civil War. Sears received his country's highest award for bravery during combat, the Medal of Honor. Sear's medal was awarded for his heroism during the Battle of Iuka in Mississippi on 19 September 1862. He was honored with the award on December 31, 1892.