Arthur Sam Thomas (July 15, 1935 – January 19, 2001) was a Roman Catholic priest and the Chief of Chaplains of the United States Air Force from 1995 to 1997.

A native of Mankato, Minnesota, Thomas was a Roman Catholic priest.

In 1982, he was named Senior Catholic Chaplain of the 86th Tactical Airlift Wing.

He was promoted to Chief of Chaplains with the rank of major general in 1995 and held the position until his retirement in 1997.

Thomas died suddenly of a heart attack on Friday, January 19, 2001, in Florida, aged 65.