Byram (US: ) is a city in Hinds County, Mississippi, United States. The population was 11,489 as of the 2010 census, up from 7,386 at the 2000 census, at which time it was an unincorporated census-designated place (CDP). It is part of the Jackson Metropolitan Statistical Area. It was incorporated for a second time in its history on June 16, 2009.
Byram was originally incorporated in 1870. The town was named for A.M. Byram, an early settler who donated land for the location of the depot. The town surrendered its incorporation during the Great Depression when it could no longer fund municipal services.
Byram is bordered to the north by the city of Jackson, the state capital, and to the south by Terry.
Interstate 55 passes through the east side of Byram, with access from Exits 81 and 85. I-55 leads north 10 miles (16 km) to the center of Jackson and south 177 miles (285 km) to New Orleans.
According to the United States Census Bureau, the city of Byram has a total area of 18.6 square miles (48.3 km2), of which 18.4 square miles (47.6 km2) are land and 0.3 square miles (0.7 km2), or 1.43%, are water.