Alfons Maria Stickler, SDB, JCD (23 August 1910 – 12 December 2007) was an Austrian Cardinal of the Roman Catholic Church. He served as Archivist and Librarian of the Holy Roman Church from 1985 to 1988. Stickler was elevated to the cardinalate in 1985, and was the oldest member of the College of Cardinals. A conservative, he was a strong supporter of the Tridentine Mass and clerical celibacy.