Harold Glen Clark (1902-1984) was an American educator and academic administrator in Utah. He served as the Dean of Continuing Education at Brigham Young University.

Harold Glen Clark was born in 1902 in the Salt River Valley, Arizona. After serving a mission for the Church of Jesus Christ of Latter-day Saints, Clark attended Columbia University and later Brigham Young University (BYU). In 1929 he returned to Mesa and married Virginia Driggs. After receiving a master's degree in educational administration from the University of Southern California, Clark went on to serve as the secretary of congressman John R. Murdock in 1936 and received a doctorate degree at George Washington University. In 1944, Clark became the personnel trainer in the Triple A Program of the U.S. Department of Agriculture. Returning to Utah in 1946, Clark took a position as Professor of Education at Brigham Young University. In 1950, Clark's wife Virginia died from cancer, and Clark remarried later that year to Mary Dean Peterson. Clark's later positions at BYU included the Director of Extension Services in 1947, the Dean of Adult Education and Extension Services, and the Dean of the Division of Continuing Education. Clark served in various church positions in his life, inluding high councilman, bishop, and president of the Provo Temple from 1971 to 1977. Harold and Mary Dean Clark also served a mission in Sri Lanka from 1979 to 1981.