William Grant Bangerter (June 8, 1918 – April 18, 2010) was a general authority of the Church of Jesus Christ of Latter-day Saints (LDS Church) from 1975 until his death.

In 1976, when the position of Assistant to the Twelve was abolished, Bangerter became a member of the First Quorum of the Seventy.

In 1989, he was designated as an emeritus general authority and released from active duties.

From 1990 to 1993, Bangerter was president of the Jordan River Utah Temple.

He was the father of Julie B. Beck, who served as the general president of the church's Relief Society from 2007 to 2012.