Retired Air Force Col. Francis B. Valentine, 85, a former air attache' in Paris and a former inspector general of the Tactical Air Command in Washington, died Thursday at the National Orthopaedic and Rehabilitation Hospital in Arlington. He had a stroke.

Col. Valentine, who was born in Brooklyn, N.Y., graduated from the U.S. Military Academy at West Point in 1918. He was commissioned in the cavalry and transferred to the Army Air Service in 1920. He served at various posts in the United States and also in the Philippines, Nova Scotia and Turkey. During World War II, he commanded an air base in Bangor, Me.

After the war, Col. Valentine was the military attache' for air in Paris. At the time of his retirement in 1953, he was the inspector general of the Tactical Air Command. He lived in Arlington.

He worked for the Fairchild Airplane and Engine Co. in Southeast Asia, India and the Netherlands for a year.

Col. Valentine is survived by his wife, Geneva, whom he married in 1929, of Arlington.

The family suggests that expressions of sympathy be in the form of contributions to The West Point Fund, Association of Graduates, USMA, West Point, N.Y. 10996.