Daegwallyeong-myeon is a myeon in the county of Pyeongchang in the province of Gangwon-do, South Korea. It is located in the northeastern part of the county. The total area of Daegwallyeong-myeon is 221.63 square kilometers, and, as of 2008, the population was 6,162 people. The myeon was named Doam-myeon until 2007.