| Pueblo Viejo | |
| Settlement Type: | Municipality |
| Pushpin Map: | Mexico |
| Pushpin Label Position: | above |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Veracruz |
| Subdivision Type2: | Municipal seat |
| Subdivision Name2: | Ciudad Cuauhtémoc |
| Leader Title: | Municipal President |
| Leader Name: | Tomas Castillo Rivera (AFV), 2008-10 |
| Area Total Km2: | 286.24 |
| Population As Of: | 2005 |
| Population Total: | 52593 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 22.1833°N -97.8333°W |
| Elevation M: | 10 |
| Postal Code Type: | Postal code |
Pueblo Viejo is a municipality in the Mexican state of Veracruz. It is located in the state's Huasteca Alta region. The municipal seat is the city of Ciudad Cuauhtémoc.
The municipality covers a total area of 286.24 km² and is located on Federal Highway 123. It borders with the state of Tamaulipas and the municipality of Pánuco to the north and west, with the Gulf of Mexico to the east, and with Tampico Alto to the south.
In the 2005 INEGI Census, the municipality reported a total population of 52,593 (up from 48,054 in 1995), of whom 8,950 lived in the municipal seat.[1] Of the municipality's inhabitants, 553 (1.2%) spoke an indigenous language, primarily Nahuatl; 0.32% of the total population spoke no Spanish.[2]
The municipal seat of Pueblo Viejo is not its largest centre of population.Of the municipality's 73 settlements, the largest are: