Alfred-Felix Vaucher (March 18, 1887 – May 22, 1993) was an Italian theologian, church historian, and bibliographer. He was a pioneer in the history and study of Seventh-day Adventism. Preaching his first sermon at age 14, Vaucher studied at a church in Paris. In 1903, he was engaged by the Adventist church, to which he devoted an active ministry of approximately eighty years. He died at age 106.