Joseph Raphael John Crimont, SJ (February 2, 1858 – May 20, 1945) was a 20th-century bishop in the Catholic Church in the United States. He served as the Vicar Apostolic of Alaska from 1917-45.
Born in Ferrières, France, Crimont had professed religious vows as a Jesuit, and was ordained a Catholic priest on August 28, 1888. On March 28, 1904 he was named the third Prefect Apostolic of Alaska. Pope Benedict XV named him Titular Bishop of Ammaedara and the first Vicar Apostolic of Alaska on February 15, 1917. He was consecrated on July 25, 1917 by Archbishop Alexander Christie of Oregon City. The co-consecrators were Bishops Edward John O'Dea of Seattle and Augustine Francis Schinner of Spokane. Pope Pius XI named Walter James Fitzgerald, SJ as Coadjutor Vicar Apostolic on December 14, 1938. He served the vicariate until his death on May 20, 1945.