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| 20th Fighter Wing | |
|---|---|
| Jagdgeschwader 20 | |
 | |
| Active | 1939–1940 |
| Country | Nazi Germany |
| Branch | Luftwaffe |
| Garrison/HQ | Jesau |
Jagdgeschwader 20 (JG 20) was a Luftwaffe fighter wing during the early phase of World War II in Europe. JG 20 was founded on 15 July 1939 in Döberitz, composed of one Gruppe and two Staffeln. A third Staffel was added on 5 November 1939 in Brandenburg-Briest. The sole Gruppe was redesignated as 3rd Gruppe of Jagdgeschwader 51 (III./JG 51) on 4 July 1940. During the Battle of France it was subordinated to Luftflotte 2. The unit's commanders included Hauptmann Hannes Trautloft, from 19 September 1939 to 4 July 1940.