| Petrace | |
| Mouth: | Tyrrhenian Sea |
| Mouth Coordinates: | 38.4217°N 15.8764°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Italy |
| Length: | more than 40km (30miles) |
| Basin Size: | 407km2 |
The Petrace (Fiume Petrace) is a river in the Calabria region of Italy. It flows into the Tyrrhenian Sea at Gioia Tauro. It was known as the Metaurus in Latin. Its main stream length is over, and it has a drainage basin of . It is formed at the confluence of the rivers Marro and Duverso.[1]