| San Juan Bautista Valle Nacional | |
| Settlement Type: | Municipality and town |
| Pushpin Map: | Mexico |
| Pushpin Label Position: | above |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Oaxaca |
| Leader Title: | Municipal President |
| Leader Name: | Marcelo Santos Meneces (2008–2010) |
| Established Title: | Founded |
| Established Date: | 1811 |
| Established Title2: | Municipal Status |
| Established Date2: | March 15, 1825 |
| Area Land Km2: | 394.23 |
| Population As Of: | 2005 |
| Population Total: | 21,189 |
| Timezone: | Central Standard Time |
| Utc Offset: | -6 |
| Timezone Dst: | Central Daylight Time |
| Utc Offset Dst: | -5 |
| Coordinates: | 17.7667°N -96.3°W |
| Elevation M: | 60 |
San Juan Bautista Valle Nacional is a town and municipality in Oaxaca in south-western Mexico. The municipality covers an area of 394.23 km² within the Sierra Juárez mountains. It is part of the Tuxtepec District of the Papaloapan Region.The town lies on the north bank of the Valle Nacional River, a tributary of the Papaloapan River.
As of 2005, the municipality had a total population of 21,189.[1]