| Nong Bua Junction | |
| Native Name: | ชุมทางหนองบัว |
| Native Name Lang: | th |
| Address: | Mu 1 (Ban Tha Yiam), Taling Chan Subdistrict, Saraburi City |
| Borough: | Saraburi Province |
| Country: | Thailand |
| Coordinates: | 14.5557°N 100.9629°W |
| Operator: | State Railway of Thailand |
| Manager: | Ministry of Transport |
| Distance: | 119.2471NaN1 from Hua Lamphong |
| Platforms: | 3 |
| Tracks: | 3 |
| Structure: | At-grade |
| Code: | นบ. |
| Classification: | Class 3 |
| Mapframe: | yes |
| Mapframe-Zoom: | 9 |
Nong Bua Junction railway station is a railway station located in Taling Chan Subdistrict, Saraburi City, Saraburi. It is a class 3 railway station located 119.2471NaN1 from Bangkok railway station.[1] [2] It was made a junction with the Eastern Line Phra Phutthachai Freight Branch following the construction of the chord line in 2019 which formed a wye at the original branch point between Nong Bua and Kaeng Khoi Junction.[3]