Basel Mission
| Predecessor | 
 | 
|---|---|
| Formation | 25 September 1815 | 
| Type | Christian missionary society | 
| Purpose | 
 | 
| Headquarters | Basel, Switzerland | 
| Location | 
 | 
| Region served  | Worldwide especially Africa, Asia and Latin America | 
| Official language  | |
| President | Evelyn Borer | 
| Director | Jochen Kirsch | 
| Website | Mission 21 | 
The Basel Mission is a Christian missionary society based in Switzerland. It was active from 1815 to 2001, when it transferred the operative work to Mission 21, the successor organization of Kooperation Evangelischer Kirchen und Missione (KEM), founded in 2001. Now Basel Mission is one of the supporting organizations of Mission 21. Since 2025 the Basel Mission changed his structure to a foundation. Chair of the foundation ist Rev. Dr. h.c. Karl F. Appl.