Thaddeus F. Malanowski (November 30, 1922 – January 23, 2020) was an American Catholic priest who served as the Deputy Chief of Chaplains of the United States Army. He was the first Polish-American to be in this position. A native of Stamford, Connecticut, Malanowski was an ordained Roman Catholic priest for the Diocese of Norwich and served at his home parish of Holy Name of Jesus in Stamford, CT following his retirement from active ministry. In 1973, he was given the title of Monsignor by Pope Paul VI. He was a close friend of Elvis Presley.