WPLM (1390 AM) is a radio station licensed to serve Plymouth, Massachusetts, United States.

WPLM broadcasts to the South Shore and Cape Cod areas.

WPLM signed on August 8, 1955, with WPLM-FM (99.1) being added on June 25, 1961.

For much of its history, WPLM was branded as "The radio voice of America's Hometown, Cape Cod and the Islands."

[10] The station again went off the air January 7, 2024, after part of its transmitter burned out.