Luke Johnson (November 3, 1807 – December 9, 1861) was a leader in the Latter Day Saint movement and an original member of the Quorum of the Twelve Apostles from 1835 to 1838. He served in the Quorum with his younger brother, Lyman E. Johnson, and Orson Hyde, his brother-in-law.
Johnson was born November 3, 1807, in Pomfret, Vermont, a son of John Johnson and Elsa Jacobs. He wrote of his family in an autobiographical sketch:
Johnson was an educator and a physician. He married Susan H. Poteet on November 1, 1833.
Johnson was ordained to the office of high priest by Smith on October 25, 1831.