| WFFX | |
| City: | Hattiesburg, Mississippi |
| Area: | Hattiesburg, Mississippi |
| Branding: | 103.7 The Fox |
| Frequency: | 103.7 MHz |
| Airdate: | 1966 (as WFOR-FM) |
| Format: | Mainstream rock |
| Erp: | 100,000 watts |
| Haat: | 324m (1,063feet) |
| Class: | C0 |
| Facility Id: | 54611 |
| Callsign Meaning: | W F FoX |
| Former Callsigns: | WFOR-FM (1966–1972) WHER (1972–1999) WUSW (1999–2010) |
| Owner: | iHeartMedia, Inc. |
| Licensee: | iHM Licenses, LLC |
| Affiliations: | Compass Media Networks |
| Sister Stations: | WJKX, WNSL, WZLD |
| Webcast: | Listen Live |
| Website: | 1037thefox.iheart.com |
| Licensing Authority: | FCC |
WFFX (103.7 FM, "103.7 The Fox") is a mainstream rock music formatted radio station licensed to Hattiesburg, Mississippi, serving the Laurel-Hattiesburg Arbitron market.
The studios are located with other sister stations on U. S. Highway 98 in West Hattiesburg, MS.