| Bridge Name: | Sungai Dinding Bridge |
| Official Name: | Raja Pemaisuri Bainun Bridge |
| Native Name: | Jambatan Raja Pemaisuri Bainun Jambatan Sungai Dinding |
| Locale: | Federal Route 60 Dinding Bypass, Lumut |
| Carries: | Motor vehicles, Pedestrians |
| Crosses: | Dinding River |
| Mainspan: | 930 m |
| Length: | 1.2 km (1.246 m) |
| Width: | -- |
| Open: | 2001 |
| Maint: | Malaysian Public Works Department (JKR) Manjung |
| Design: | arch bridge |
| Designer: | Government of Malaysia Malaysian Public Works Department (JKR) HMS Perunding Sdn Bhd |
| Builder: | Malaysian Public Works Department (JKR) Lankhorst-Panzana JV |
Raja Pemaisuri Bainun Bridge or Sungai Dinding Bridge is the fifth longest river bridge in Malaysia. It is located in Dinding River on Dinding Bypass (Federal Route 60) near Lumut, Manjung district, Perak. The bridge is 1.2 km (1.246 m) in length, of which 930 m is over Dinding River. Its 13 arches represent states in Malaysia and is decorated with lights that change from colour to colour.
Constructed began on 19 August 1997 by the Malaysian Public Works Department (JKR) and HMS Perunding Sdn Bhd. and was completed in 2000. It was officially opened on 30 April 2001 by the 34th Sultan of Perak, Almarhum Sultan Azlan Shah and the bridge was officially named Jambatan Raja Pemaisuri Bainun after Tuanku Bainun of Perak.