|Born||11 December 1893|
|Died||11 February 1943 (aged 49)|
|Years of service||1914–43|
|Commands held||46th Infantry Division|
|Battles/wars||Battle of Caucasus †|
|Awards||Knight's Cross of the Iron Cross|
Ernst Haccius (11 December 1893 – 11 February 1943) was a German officer in the Wehrmacht of Nazi Germany during World War II who commanded the 46th Infantry Division. He was a recipient of the Knight's Cross of the Iron Cross. Haccius was killed 11 February 1943 in the Caucasus; he was posthumously promoted to the rank of Generalleutnant and awarded the Knight's Cross.
Awards and decorations
- Knight's Cross of the Iron Cross on 2 April 1943 as Generalleutnant and commander of 46. Infanterie-Division 
- Fellgiebel 2000, p. 173.
- Fellgiebel, Walther-Peer (2000) . 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] (in German). Friedberg, Germany: Podzun-Pallas. ISBN 978-3-7909-0284-6.
Generalleutnant Kurt Himer
| Commander of 46. Infanterie-Division
5 April 1942 – 7 February 1943
Generalleutnant Arthur Hauffe