| Type: | Ortsgemeinde |
| Image Coa: | DEU Riol COA.svg |
| Coordinates: | 49.7933°N 6.7914°W |
| Image Plan: | Riol in TR.svg |
| State: | Rheinland-Pfalz |
| District: | Trier-Saarburg |
| Verbandsgemeinde: | Schweich an der Römischen Weinstraße |
| Elevation: | 123 |
| Area: | 6.3 |
| Postal Code: | 54340 |
| Area Code: | 06502 |
| Licence: | TR |
| Gemeindeschlüssel: | 07 2 35 115 |
| Mayor: | Christel Egner-Duppich[1] |
| Leader Term: | 2019 - 24 |
Riol is a municipality in the Trier-Saarburg district, in Rhineland-Palatinate, Germany, near Trier.