| Ribera Baja del Ebro | |
| Native Name Lang: | es |
| Settlement Type: | Comarca |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Zaragoza |
| Seat Type: | Capital |
| Seat: | Quinto |
| Parts Type: | Municipalities |
| Parts Style: | list |
| P1: | Alborge, Alforque, Cinco Olivas, Escatrón, Gelsa, Pina de Ebro, Quinto, Sástago, Velilla de Ebro and La Zaida |
| Area Total Km2: | 989.9 |
| Population Total: | 9418 |
| Population Density Km2: | auto |
| Blank Name Sec1: | Largest municipality |
| Blank Info Sec1: | Quinto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Area Code Type: | Dialing code |
Ribera Baja del Ebro is a comarca in eastern Aragon, Spain. It is part of the historical region of Lower Aragon. The most important town is Quinto.
It is located by the River Ebro about 40 km south-east of Zaragoza. The traditional economy was based on the cultivation of cereals and olive trees.[1]
This comarca has a dry, continental climate, with marked seasonal changes, the summers are hot and relatively short compared with the long cold winters. Sometimes it is subjected to floods caused by River Ebro.[2]