| XHCUN-FM | |
| City: | Cancún, Quintana Roo |
| Branding: | Radio Cultural Ayuntamiento |
| Airdate: | 1979 |
| Frequency: | 105.9 MHz |
| Format: | Cultural |
| Erp: | 2.77 kW |
| Callsign Meaning: | CanCÚN |
| Owner: | Presidencia Municipal de Cancún |
| Webcast: | XHCUN-FM |
XHCUN-FM 105.9 is a radio station in Mexico in Cancún, Quintana Roo, known as Radio Cultural Ayuntamiento. It is owned directly by the government of the municipality of Cancún and is the oldest station owned by a Mexican municipality. It was the only such station until XHOJF-FM, in Ocotlán de Morelos in Oaxaca, received its permit in 2011.