Edgar is a village in Marathon County, Wisconsin, United States. It is part of the Wausau, Wisconsin Metropolitan Statistical Area. The population was 1,386 at the 2000 census. Edgar has maintained Tree City USA standing since 1995.
Edgar is located at 44°55′26″N 89°57′53″W / 44.92389°N 89.96472°W / 44.92389; -89.96472 (44.923757, -89.964659).
According to the United States Census Bureau, the village has a total area of 1.7 square miles (4.3 km²), all of it land.