| XHMX-FM | |
| City: | Tapachula, Chiapas |
| Country: | MX |
| Branding: | Máxima FM |
| Airdate: | May 16, 1978 (concession) |
| Frequency: | 97.9 FM |
| Format: | Pop |
| Haat: | 60 m |
| Erp: | 3.189 kW |
| Class: | AA |
| Licensee: | Organización Radiofónica Estereofiel, S.A. de C.V. |
| Owner: | Radio S.A. |
| Coordinates: | 14.9211°N -92.2703°W |
XHMX-FM is a radio station in Tapachula, Chiapas, Mexico. Owned by Radio S.A., XHMX broadcasts on 97.9 FM and is known as Máxima.
XHMX received its concession on May 16, 1978 and was originally owned by Blanca Julia Águilar Trujillo. The Águilar Trujillo family was involved in the ownership of other radio stations in Chiapas; it founded XHKR-FM in Tuxtla Gutiérrez, which remains a sister to XHMX.