| Apaporis River | |
| Pushpin Map Caption: | Mouth location |
| River System: | Japurá River |
| Source1 Location: | Confluence of the Ajajú and Tunía River, Caquetá, Colombia |
| Mouth Location: | Japurá River, Amazonas, Brazil |
| Mouth Coordinates: | -1.3761°N -69.4195°W |
| Basin Size: | 53509km2[1] 57430.6km2[2] |
| Subdivision Type1: | Countries |
| Length: | 960km (600miles) |
| Discharge1 Avg: | 4092m3/s[3] 3657.463m3/s[4] |
| Tributaries Left: | Pira Paraná River |
The Apaporis River is a river of the Vaupés Department, Colombia. It is a tributary of the Caquetá or Japurá River.In the last stretch, before the river joins the Caquetá, it forms part of the boundary between Colombia and Brazil.