| Watanka | |
| Settlement Type: | Sub-prefecture and town |
| Pushpin Map: | Guinea |
| Pushpin Label Position: | above |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in Guinea |
| Subdivision Type: | Country |
| Subdivision Name: |  Guinea |
| Subdivision Type1: | Region |
| Subdivision Name1: | Nzérékoré Region |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Macenta Prefecture |
| Unit Pref: | Imperial |
| Population Blank1 Title: | Ethnicities |
| Utc Offset: | +0 |
| Coordinates: | 8.8064°N -9.8078°W |
Watanka or (Ouantanka or Ouantaka) is a town and sub-prefecture in the Macenta Prefecture in the Nzérékoré Region of south-eastern Guinea.[1]