| Otto Barth | |
| Birth Date: | 18 June 1891 |
| Branch: | Army (Wehrmacht) |
| Rank: | Generalmajor |
| Commands: | 30th Infantry Division 21st Luftwaffe Division |
| Battles: | Courland Pocket |
| Awards: | Knight's Cross of the Iron Cross |
Otto Barth (18 June 1891 – 3 May 1963) was a German general in the Wehrmacht during World War II who commanded several divisions. He was a recipient of the Knight's Cross of the Iron Cross.
Barth surrendered to the Red Army in the Courland Pocket at the end of the war. Convicted as a war criminal in the Soviet Union, he was held until 1955.
. 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.