Pelahatchie is a town in Rankin County, Mississippi, United States.

[2] The name Pelahatchie is derived from the Native American term meaning "crooked creek".

[4] According to the United States Census Bureau, the town has a total area of 3.2 square miles (8.3 km2), all land.

As of the 2020 United States census, there were 1,272 people, 613 households, and 489 families residing in the town.

The Town of Pelahatchie is served by the Rankin County School District.