Quinn Gunn McKay (born October 30, 1926) is an American academic, writer, and a leader in The Church of Jesus Christ of Latter-day Saints (LDS Church).
McKay was raised in Huntsville, Utah. Quinn McKay's father, James Gunn McKay, was a nephew to LDS Church president David O. McKay. McKay's brothers are K. Gunn McKay and Monroe G. McKay.
McKay served in the United States Marine Corps during the last year of World War II. From 1948 to 1950 he was a Mormon missionary in England. After returning from England, McKay attended Weber State College and Brigham Young University (BYU). At BYU, he was the student body president; he graduated from BYU in 1954 with a degree in accounting. McKay then attended Harvard Business School, where he received an MBA in 1956.
After graduating from Harvard, McKay participated in a Ford Foundation program by becoming a visiting professor at Rangoon University. He received a DBA from Harvard in 1958 and took a job teaching business at BYU. McKay spent two years in Nigeria establishing a campus for the University of Pittsburgh, after which he became the dean of the business school at Weber State College. Later, he moved to Texas Christian University, and after his retirement, he was an adjunct professor at the University of Utah. In 2001, McKay became the president of the BYU Emeritus Association. Later in his career, McKay worked as a vice president of Skaggs Companies.