WMLX (103.3 FM "Mix 103.3") is a commercial radio station licensed to St. Marys, Ohio. It airs an adult contemporary format. Its studios and offices are located on West Market Street in Lima, Ohio, and its transmitter is located just outside Buckland, Ohio.

The station began broadcasting in December 1997 with 10,000 songs in a row. The station garnered top ratings, becoming number one by the spring of 1999, in the adult 25-54 demographic.

• Mix FM (disambiguation)
• List of radio stations in Ohio

• MIX 103.3 website
• Facility details for Facility ID 37499 (WMLX) in the FCC Licensing and Management System
• WMLX in Nielsen Audio's FM station database

40°38′02″N 84°12′29″W / 40.634°N 84.208°W / 40.634; -84.208