| • | Abbreviation (Alternate) | Kriegsmarine | U.S. Navy Equivalent |
| G6 | – | Großadmiral | – |
| G5 | GenAdm | General-Admiral | Admiral of the Fleet |
| G4 | Adm | Admiral | Admiral |
| G3 | VAdm | Vizeadmiral | Vice Admiral |
| G2 | KAdm | Konteradmiral | Rear Admiral |
| G1 | Kom | Kommodore | Commodore [1]) |
| O6 | KptzS (KzS) | Kapitän-zur-See | Captain |
| O5 | FKpt (FK) | Fregattenkapitän | Commander |
| O4 | KKpt (KK) | Korvettenkapitän | Lieutenant Commander |
| O3 | KptLt (KL) | Kapitän-Leutnant
(often addressed as "KaLeu") |
Lieutenant |
| O2 | OblnzS (OLzS) | Oberleutnant-zur-See | Lieutenant junior grade |
| O1 | LnzS (LzS) | Leutnant-zur-See | Ensign |
| [1] Up to April 1943 the USN rank of Commodore was Rear Admiral (Lower Half), and Rear Admiral was know as Rear Admiral (Upper Half). | |||