Fighter Wing 21
Jagdgeschwader 21
Active	1939–1940
Country	Nazi Germany
Branch	Luftwaffe
Garrison/HQ	Döberitz
Battle honours	Poland France

Jagdgeschwader 21 was a fighter wing of Nazi Germany's Luftwaffe in World War II.

• Tessin, Georg (1980). Die Landstreitkräfte: Namensverbände / Die Luftstreitkräfte: (Fliegende Verbände) / Flakeinsatz im Reich 1943–1945. Vol. 14. Osnabrück: Biblio. ISBN 3764811110. {{cite book}}: |work= ignored (help)