Dieter Friedrich Uchtdorf is a German aviator, airline executive and religious leader. He is a member of the Quorum of the Twelve Apostles of the Church of Jesus Christ of Latter-day Saints. Called as an apostle in 2004, he served as Second Counselor to Thomas S. Monson in the church's First Presidency from 2008 until Monson's death on 2 January 2018. Currently, Uchtdorf is the fifth most senior apostle in the ranks of the church.

In the Church of Jesus Christ of Latter-day Saints, the Quorum of the Twelve Apostles is one of the governing bodies in the church hierarchy. Members of the Quorum of the Twelve Apostles are apostles, with the calling to be prophets, seers, and revelators, evangelical ambassadors, and special witnesses of Jesus Christ.