William O. Wooldridge

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William O. Wooldridge
Sergeant Major of the Army William O. Wooldridge
Born	(1922-08-12)August 12, 1922 Shawnee, Oklahoma
Died	March 5, 2012(2012-03-05) (aged 89) El Paso, Texas
Buried	Fort Bliss National Cemetery
Allegiance	United States
Service/branch	United States Army
Years of service	1940–1972
Rank	Sergeant Major of the Army
Battles/wars	World War II Vietnam War
Awards	Silver Star (2) Legion of Merit (2) Bronze Star Medal Air Medal (6) Army Commendation Medal (2) Purple Heart Croix de guerre (Belgium)

William O. Wooldridge (August 12, 1922 – March 5, 2012) was a United States Army soldier and the first Sergeant Major of the Army.

Wooldridge served on active duty from 1940 to 1972. His military career spanned two wars and 14 campaigns, during which he was twice decorated for gallantry in action. He was sworn in as the first Sergeant Major of the Army on July 11, 1966.