Pelham is a city in Shelby County, Alabama, United States. The population was 24,318 at the 2020 census, It incorporated on July 10, 1964 and is a suburb located in the Birmingham metropolitan area, Alabama which was home to nearly 1.2 million residents as of the 2020 census. It was named for Confederate Civil War officer John Pelham.

Shelby County is located in the central portion of the U.S. state of Alabama. As of the 2020 census the population was 223,024, making it the sixth-most populous county in Alabama. The county seat is Columbiana. Its largest city is Alabaster. The county is named in honor of Isaac Shelby, Governor of Kentucky from 1792 to 1796 and again from 1812 to 1816. Shelby County is included in the Birmingham–Hoover, AL Metropolitan Statistical Area.