Vasco Myron Tanner (b. 29 October 1892, Payson, Utah, d. 25 April 1989, Provo) was an American entomologist from Utah, and professor of zoology at Brigham Young University. He published over 140 scientific articles, mostly focusing on insects but also researching birds, mammals, reptiles and fishes, and founded the journal The Great Basin Naturalist.Vasco M. Tanner was the older brother of Wilmer Webster Tanner (1909-2011), a herpetologist also at Brigham Young University.