| Rib | |
|---|---|
 The Rib close to its confluence with the River Lea | |
 | |
| Location | |
| Country | United Kingdom |
| Physical characteristics | |
| Source | |
| • location | Buckland Nr. Buntingford, Hertfordshire |
| • elevation | 130 m (430 ft) |
| Mouth | |
• location | Hertford, Hertfordshire into River Lea |
| Length | 30.7 km (19.1 mi) |
The River Rib is a tributary of the River Lea, which runs from Buckland in Hertfordshire, England. It flows into the River Lea to the east of Hertford.