| Shipwrecks |
- 1 Dec: HMS Empire Dace
- 2 Dec: Hawaii Maru
- 3 Dec: USS Cooper, Revoljucija
- 4 Dec: Kishinami
- 5 Dec: Hozu, USS LSM-149
- 6 Dec: Antoine Saugrain, HMS Bullen, U-297
- 7 Dec: USS Mahan, USS Ward
- 9 Dec: U-387
- 10 Dec: William S. Ladd
- 11 Dec: USS Reid
- 12 Dec: Uzuki, U-416, Yūzuki, Z35, Z36
- 13 Dec: U-365
- 14 Dec: HMS Aldenham
- 15 Dec: USS LST-472, USS LST-738
- 17 Dec: U-772
- 18 Dec: USS Hull, USS Monaghan, Schleswig-Holstein, USS Spence, Theresia L M Russ, U-1209, Zähringen
- 19 Dec: U-737, Unryū
- 21 Dec: USS LST-460, USS LST-749
- 22 Dec: USS LST-563
- 24 Dec: Alan-A-Dale, HMCS Clayoquot, Léopoldville
- 26 Dec: HMS Capel, Kiyoshimo, U-2342, Benjamin Ide Wheeler
- 27 Dec: U-877
- 28 Dec: Empire Javelin, John Burke, U-735
- 29 Dec: U-322
- 30 Dec: USS Porcupine, Hobart Baker
- 31 Dec: U-2530
- Unknown date: Ha-83, U-196, U-400
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