Keith Wilson Wilcox (May 15, 1921 – December 16, 2011) was a general authority of the Church of Jesus Christ of Latter-day Saints (LDS Church) from 1984 to 1989. He was also a prominent architect who designed the Missionary Training Center in Provo, Utah and the Washington D.C. Temple. He also served one term in the Utah House of Representatives. Wilcox was elected to the Utah State House of Representatives as a Republican in 1978. He served for one term. On July 17, 1945, Wilcox married Viva May Gammell in the Logan Utah Temple and they are the parents of six daughters.