| Bridge Name: | Kanchanaphisek Bridge |
| Native Name: | สะพานกาญจนาภิเษก |
| Official Name: | Kanchanaphisek Bridge |
| Maint: | Expressway Authority of Thailand |
| Carries: | Kanchanaphisek Expressway |
| Crosses: | Chao Phraya River |
| Locale: | Samut Prakan, Thailand |
| Design: | Cable-stayed bridge |
| Mainspan: | 500 m |
| Length: | 951 m |
| Width: | 36.7 m |
| Height: | 187.6 m |
| Below: | 52.2 m |
| Begin: | 2004 |
| Open: | 15 November 2007 |
| Coordinates: | 13.6348°N 100.5375°W |
The Kanchanaphisek Bridge (Thai: สะพานกาญจนาภิเษก) is a cable stayed bridge crossing the Chao Phraya river in Samut Prakan Province, Thailand. It is part of the Outer Ring Road encircling Bangkok. The bridge was opened to traffic on 15 November 2007 and has a main span of 500 meters. the bridge's name was bestowed upon by King Bhumibol Adulyadej following the Golden Jubilee celebrations, 'Kanchanaphisek Road
The bridge was designed by Parsons Brinckerhoff. The bridge is part of the Kanchanaphisek Expressway, There is a toll for its use.[5]