| Phra Prong River | |
|---|---|
 | |
| Native name | แม่น้ำพระปรง (Thai) |
| Location | |
| Country | Thailand |
| Physical characteristics | |
| Source | |
| • location | Phra Prong Reservoir, Sa Kaeo Province |
| Mouth | |
• location | Bang Pakong River |
| Length | 132 km (82 mi) |
| Basin features | |
| River system | Bang Pakong |
The Phra Prong River (Thai: แม่น้ำพระปรง, RTGS: Maenam Phra Prong, pronounced [mɛ̂ː.náːm pʰráʔ prōŋ]) or Khlong Phra Prong (คลองพระปรง) is a river in Thailand.