Mark Edward Petersen (November 7, 1900 – January 11, 1984) was an American news editor and religious leader who served as a member of the Quorum of the Twelve Apostles of The Church of Jesus Christ of Latter-day Saints (LDS Church) from 1944 until his death.
Born in Salt Lake City, Utah, he filled the vacancy in the Quorum caused by the excommunication of Richard R.
Lyman.
Petersen had become managing editor of the church-owned Deseret News in 1935 and editor in 1941.