|Marvin O. Ashton|
|Full name||Marvin Owen Ashton|
|Born||April 8, 1883|
|Place of birth||Salt Lake City, Utah Territory|
|Died||October 7, 1946 (aged 63)|
|Place of death||Salt Lake City, Utah|
|Called by||LeGrand Richards|
|Start of term||April 6, 1938 (aged 54)|
|End of term||October 7, 1946 (aged 63)|
|End reason|| Death
Marvin Owen Ashton (8 April 1883 – 7 October 1946) was a general authority of The Church of Jesus Christ of Latter-day Saints (LDS Church) from 1938 until his death. Prior to becoming a general authority, Ashton was a prominent local leader of the LDS Church in Salt Lake City, Utah.
Ashton was born in Salt Lake City, Utah Territory to Mormon parents. He married Rachel Grace Jeremy in 1906 and in 1907 went to England as a missionary for the LDS Church. He returned to Utah in 1909, and in 1917 Ashton became the bishop of the Wasatch Ward of the church in Salt Lake City, a position he held until 1924. In 1935, he became the president of the Highland Stake of the church in Salt Lake City.
In 1938, Ashton was asked to be the first counselor to LeGrand Richards, the newly-called presiding bishop of the church. Ashton and Richards were brothers-in-law. Ashton served in the presiding bishopric and as a general authority until his death from coronary occlusion in Salt Lake City. Ashton was the chairman of the church's General Church Music Committee during his time as a general authority, and he was a frequent contributor to the Improvement Era.
- Naomi Shepard Maccabe, "Marvin O. Ashton and the Understanding Heart", Improvement Era 56 (Oct. 1953)
- "Marvin O. Ashton of the Presiding Bishopric", Improvement Era 49 (Nov. 1946) [obituary]
- Lucile C. Tate (1982). LeGrand Richards: Beloved Apostle (Salt Lake City, Utah: Bookcraft)