ElRay LaVar Christiansen (July 13, 1897 – December 2, 1975) was a general authority of the Church of Jesus Christ of Latter-day Saints (LDS Church) from 1951 until his death.

He also worked for the United States Forest Service.

Christiansen was made an Assistant to the Quorum of the Twelve Apostles in 1951.

Christiansen was a cellist and played with the Utah Symphony Orchestra.

He died in Salt Lake City, Utah.