Loyd Wheaton was a United States general who fought in the Philippine-American War.

Wheaton was born on July 15, 1838 in Penfield, Michigan . He served in the Union army during the American Civil War. He won the Medal of Honor at the Battle of Fort Blakely in 1865.

Wheaton was appointed brigadier general of volunteers at the outbreak of the Spanish-American War and placed in command of the 1st Brigade, 1st Division, VII Corps stationed in Miami. The corps did sail to Cuba but the fighting was already over and his brigade was involved only in the occupation forces. He was sent to the Philippines where he was placed in command of a Provisional Brigade in the VIII Corps during the Philippine-American War. He led his brigade during the Pasig River expedition , Malolos Campaign and at the Battle of Zapote River. He assumed command of the 1st Brigade, 2nd Division, VIII Corps during the Northern Offensive where his troops defeated a Filipino force at the Battle of San Jacinto (1899) and linked with the division under Arthur MacArthur at Dagupan . He commanded the 1st Brigade, 1st Division, VIII Corps during the second Cavite Expedition. He commanded the Department of Northern Luzon during the second part of the war. He was Frederick Funston's immediate superior and authorized Funston's expedition to capture Emilio Aguinaldo. He was appointed Major General of volunteers in 1900.

Wheaton died on September 17, 1918.