Sauget is a village in St. Clair County, Illinois, United States. It is part of Greater St. Louis. The population was 249 at the 2000 census.
Sauget is located at 38°35′13″N 90°10′0″W / 38.58694°N 90.166667°W / 38.58694; -90.166667 (38.587013, -90.166690).
According to the United States Census Bureau, the village has a total area of 4.4 square miles (11.5 km²), of which, 4.1 square miles (10.7 km²) of it is land and 0.3 square miles (0.8 km²) of it (7.19%) is water.