Ernst Kupfer (2 July 1907 – 6 November 1943) was a ground-attack pilot in the Luftwaffe of Nazi Germany during World War II who commanded a wing (StG 2) of Stuka aircraft.

On 1 October 1928, Kupfer joined the military, serving with the Bavarian Cavalry Regiment 17, 5th Escadron.

He led StG 2 in the battles of the Kuban bridgehead and Operation Citadel.

In April and May, several other fighter and ground attack groups augmented his command.

[2] In this role he handled the procurement of the Focke-Wulf Fw 190, which was to replace the old and obsolete Junkers Ju 87 and especially the Henschel Hs 123.