| Official Name: | Åfoss |
| Other Name: | Aafoss (historic) |
| Settlement Type: | Village |
| Pushpin Map: | Norway Telemark#Norway |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of the village |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Eastern Norway |
| Subdivision Name2: | Telemark |
| Subdivision Type3: | District |
| Subdivision Name3: | Grenland |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Skien Municipality |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Postal Code Type: | Post Code |
| Postal Code: | 3731 Skien |
| Coordinates: | 59.1979°N 9.5371°W |
| Elevation M: | 66 |
| Elevation Footnotes: | [1] |
Åfoss is a village in Skien Municipality in Telemark county, Norway. The village is located near the outlet of the lake Norsjø, just across the river from the village of Skotfoss. The village is located about to the west of the town of Skien and about to the north of the village of Klovholt.
Åfoss was administratively a part of Solum Municipality from 1 January 1838 (when municipalities were established in Norway) until 1 January 1964 when it became part of Skien Municipality.[2]