| St. John the Baptist Cathedral | |
| Other Name: | Catedral de San Juan Bautista |
| Location: | Ciudad Altamirano |
| Country: |  Mexico |
| Denomination: | Catholic Church |
| Diocese: | Diocese of Ciudad Altamirano |
The St. John the Baptist Cathedral[1] (Spanish; Castilian: Catedral de San Juan Bautista) also Ciudad Altamirano Cathedral[2] is a cathedral of the Catholic Church located in Ciudad Altamirano, Guerrero, Mexico,[3] and is considered one of the most important religious monuments in the state built during the sixteenth century.
It serves as the mother church of the Diocese of Ciudad Altamirano, created by Pope Paul VI in 1964 through the bull "Populo Dei". It is under the pastoral responsibility of Bishop Maximino Martínez Miranda.