Cedarville is a city in Crawford County, Arkansas, United States. It is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area. The population was 1,113 at the 2000 census.
Cedarville is located at 35°34′56″N 94°21′39″W / 35.58222°N 94.36083°W / 35.58222; -94.36083 (35.582296, -94.360812).
According to the United States Census Bureau, the city has a total area of 8.8 square miles (22.7 km²), all of it land.