Elaine Low Jack (born March 22, 1928) was the twelfth general president of the Relief Society of The Church of Jesus Christ of Latter-day Saints (LDS Church) from 1990 to 1997. She also served in the general presidency of the church's Young Women Organization between 1987 and 1990. Jack was the first Relief Society president to be born outside of the United States.
Elaine Low was born and raised in Cardston, Alberta, Canada. She attended the University of Utah where she met Joseph E. Jack. They married in the Alberta Temple on September 16, 1948. The couple had four sons. They lived in Staten Island, New York; Boston, Massachusetts; Mount Edgecumbe, Alaska; and Salt Lake City, Utah.
At the April 1987 general conference of the church, Jack was called as the second counselor in the Young Women organization to president Ardeth G. Kapp. She served in this capacity until the April 1990 general conference, where she was chosen to succeed Barbara W. Winder as the president of the Relief Society, the church's organization for women. Jack served in this capacity until April 1997, when she was released and succeeded by Mary Ellen W. Smoot.
From 1997 to 2000, Jack returned to Cardston as the temple matron of the Cardston Alberta Temple, while her husband served as temple president.
- Elaine L. Jack (1992). Eye to Eye, Heart to Heart (Salt Lake City, Utah: Deseret Book) ISBN 0-87579-603-6