| Arrecifes River | |
| Mouth Location: | Paraná River (Río Paraná de las Palmas) |
| Subdivision Type1: | Country |
The Arrecifes River (Spanish Río Arrecifes) is a river of Argentina. It is a tributary of the Paraná River. It flows into the Paraná Delta area and joins the Paraná de las Palmas distributary of the Paraná River.