Left May River
| Left May River Arai | |
|---|---|
| Location | |
| Country | Papua New Guinea | 
| Region | East Sepik Province | 
| Physical characteristics | |
| Source | |
| • location | Papua New Guinea | 
| Mouth | |
|  • coordinates | 4°20′10″S 141°39′25″E / 4.33616°S 141.65705°E | 
The Left May or Arai River is a river in northern Papua New Guinea.