| Arpe | |
| Mouth Location: | Wenne |
| Mouth Coordinates: | 51.1964°N 8.2233°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | North Rhine-Westphalia |
| Length Km: | 8.709 |
Arpe is a river of North Rhine-Westphalia, Germany, in the West of the Hochsauerlandkreis. It is a left tributary of the Wenne[1] which it joins at Niederberndorf, a district of Schmallenberg. It should not be confused with the Arpe, also left a tributary of the Wenne in the Hochsauerlandkreis, but joining at Berge, a district of Meschede.