Rulon Clark Allred (March 29, 1906 – May 10, 1977) was an American homeopath and chiropractor in Salt Lake City and the leader of what is now the Apostolic United Brethren, a breakaway sect of polygamous Mormon fundamentalists in Utah, Colorado, and Arizona, United States.

He was murdered on the orders of Ervil LeBaron, the head of a rival polygamous sect.

[citation needed]