| Ernst Joachim Valentin Gustav Buffa | |
| Birth Date: | 14 February 1893 |
| Allegiance: | |
| Branch: | Prussian Army Reichsheer Luftwaffe |
| Serviceyears: | 1912–45 |
| Rank: | Generalleutnant |
| Commands: | 12th Flak Division 21st Flak Division |
| Battles: | World War II |
| Awards: | Knight's Cross of the Iron Cross |
Ernst Buffa (14 February 1893 – 19 September 1971) was a general in the Luftwaffe of Nazi Germany during World War II. Son of Franz Freiherr Buffa von Lilienberg und Castellalt, Baron of the Holy Roman Empire, he enlisted in the German army in 1912. He entered the Military Academy of Berlin in May 1916. During World War I he was sent to the Western Front. He was also a recipient of the Knight's Cross of the Iron Cross. In 1947, he moved to Argentina where he wrote about his experiences during the war. He died in 1971 in the village of Traben-Trarbach.
. Walther-Peer Fellgiebel . 2000 . 1986 . Die Träger des Ritterkreuzes des Eisernen Kreuzes 1939–1945 — Die Inhaber der höchsten Auszeichnung des Zweiten Weltkrieges aller Wehrmachtteile . The Bearers of the Knight's Cross of the Iron Cross 1939–1945 — The Owners of the Highest Award of the Second World War of all Wehrmacht Branches . German . Friedberg, Germany . Podzun-Pallas . 978-3-7909-0284-6.