Arroyo San Pedro
Arroyo San Pedro is the name of the following rivers:
- Arroyo San Pedro (Arroyo Bellaco) , tributary of the Arroyo Bellaco, Uruguay
- Arroyo San Pedro (Arroyo Chapicuy Grande) , tributary of the Arroyo Chapicuy Grande, Uruguay
- Arroyo San Pedro (Río Nazareno) , tributary of the Río Nazareno, Argentina