Walter Howard Cooke (21 July 1838 – 28 January 1909) was a Union Army officer who fought in the American Civil War. Cooke received his country's highest award for bravery during combat, the Medal of Honor, for his actions at the First Battle of Bull Run in Virginia on 21 July 1861. He was honored with the award on 19 May 1887. He undertook several short periods of service in the Army before being discharged in 1863 and returning to civilian life. He then undertook a variety of business roles, including a directorship of a bank in Norristown and charity work. He died in 1909 at the age of 70.