| Rank group | General / flag officers | Senior officers | Junior officers | 
|  Albanian Naval Force[1] 
 |  |   |   |   |   |   |   |   |   |   | 
| Admiral | Nënadmiral | Kundëradmiral | Kapiten rangut I | Kapiten rangut II | Kapiten rangut III | Kapiten lejtnant | Lejtnant | Nënlejtnant | 
| .svg.png) Austria | No navy 
 
 | 
|  Belarus | No navy 
 
 | 
|  Belgian Navy[2] 
 |  |   |   |   |   |   |   |   |   |   |   |   | 
| Admiraal | Vice-admiraal | Divisieadmiraal | Flottieljeadmiraal | Kapitein-ter-zee | Fregatkapitein | Korvetkapitein | Luitenant-ter-zee 1ste klasse | Luitenant-ter-zee | Vaandrig-ter-zee | Vaandrig-ter-zee 2de klasse | 
| Amiral | Vice-amiral | Amiral de division | Amiral de flottille | Capitaine de vaisseau | Capitaine de frégate | Capitaine de corvette | Lieutenant de vaisseau de 1re classe | Lieutenant de vaisseau | Enseigne de vaisseau | Enseigne de vaisseau de 2e classe | 
| Admiral | Vizeadmiral | Divisionsadmiral | Flotillenadmiral | Kapitän zur See | Fregattenkapitän | Korvettenkapitän | Linienschiffsleutnant 1. klasse | Linienschiffsleutnant | Seefahnrich | Seefahnrich 2. klasse | 
|  Bosnia and Herzegovina | No navy 
 
 | 
|  Bulgarian Navy[3] 
 |  |   |   |   |   |   |   |   |   |   |   |   | -O7.svg.png)  |   | -O5.svg.png)  |   | -O3.svg.png)  |  -O2.svg.png)  |  -O1.svg.png)  | 
| Адмирал Admiral
 | Вицеадмирал Vitseadmiral
 | Контраадмирал Kontraadmiral
 | Флотилен адмирал Flotilen admiral
 | Капитан I ранг Kapitan I rang
 | Капитан II ранг Kapitan II rang
 | Капитан III ранг Kapitan III rang
 | Капитан-лейтенант Kapitan-leytenant
 | Старши лейтенант Starshi leĭtenant
 | Лейтенант Leytenant
 | 
|  Croatian Navy[4] 
 |   |   |   |   |   |   |   |   |   |   |   | 
| Admiral flote | Admiral | Viceadmiral | Kontraadmiral | Komodor | Kapetan bojnog broda | Kapetan fregate | Kapetan korvete | Poručnik bojnog broda | Poručnik fregate | Poručnik korvete | 
|  Cyprus Navy[5] 
 |  |   |   |   |   |   |   |   |   |   |   |   |   | 
| Αντιναύαρχος Antinavarchos
 | Υποναύαρχος Yponavarchos
 | Αρχιπλοίαρχος Archiploiarchos
 | Πλοίαρχος Ploiarchos
 | Αντιπλοίαρχος Antiploiarchos
 | Πλωτάρχης Plotarchis
 | Υποπλοίαρχος Ypoploiarchos
 | Ανθυποπλοίαρχος Anthypoploiarchos
 | Σημαιοφόρος Simaioforos
 | 
 
|  Czech Republic | No navy 
 
 | 
|  Royal Danish Navy[6] 
 |  |   |   |   |   |   |   |   |   |   |   | 
| Admiral | Viceadmiral | Kontreadmiral | Flotilleadmiral | Kommandør | Kommandørkaptajn | Orlogskaptajn | Kaptajnløjtnant | Premierløjtnant | Løjtnant | 
|  Estonian Navy[7] 
 |  |   |   |   |   |   |   |   |   |   |   |   | 
| Admiral | Viitseadmiral | Kontradmiral | Kommodoor | Mereväekapten | Kaptenleitnant | Kaptenmajor | Vanemleitnant | Leitnant | Nooremleitnant | Lipnik | 
|  Finnish Navy[8] 
 |  |   |   |   |   |   |   |   |   |   |   |   | 
| Amiraali | Vara-amiraali | Kontra-amiraali | Lippueamiraali | Kommodori | Komentaja | Komentajakapteeni | Kapteeniluutnantti | Yliluutnantti | Luutnantti | Aliluutnantti | 
| Amiral | Viceamiral | Konteramiral | Flottiljamiral | Kommodor | Kommendör | Kommendörkapten | Kaptenlöjtnant | Premiärlöjtnant | Löjtnant | Underlöjtnant | 
|  French Navy[9] 
 |   |   |   |   |   |   |   |   |   |   |   | 
| Amiral de France | Amiral | Vice-amiral d'escadre | Vice-amiral | Contre-amiral | Capitaine de vaisseau | Capitaine de frégate | Capitaine de corvette | Lieutenant de vaisseau | Enseigne de vaisseau de 1re classe | Enseigne de vaisseau de 2e classe | 
|  Georgia | No navy 
 
 | 
|  German Navy[10] 
 |  |   |   |   |   | -O7.svg.png)  | -O6.svg.png)  | -O5.svg.png)  |   | -O4.svg.png)  | -O3.svg.png)  | -O1.svg.png)  | 
| Admiral | Vizeadmiral | Konteradmiral | Flottillenadmiral | Kapitän zur See | Fregattenkapitän | Korvettenkapitän | Stabskapitänleutnant | Kapitänleutnant | Oberleutnant zur See
 | Leutnant zur See
 | 
|  Hellenic Navy[11] 
 |  |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Ναύαρχος Navarchos
 | Αντιναύαρχος Antinavarchos
 | Υποναύαρχος Yponavarchos
 | Αρχιπλοίαρχος Archiploiarchos
 | Πλοίαρχος Ploiarchos
 | Αντιπλοίαρχος Antiploiarchos
 | Πλωτάρχης Plotarchis
 | Υποπλοίαρχος Ypoploiarchos
 | Ανθυποπλοίαρχος Anthypoploiarchos
 | Σημαιοφόρος Simaioforos
 | 
| Rank group | General / flag officers | Senior officers | Junior officers | 
|  Hungarian River Guard 
 |  |   |   |   |   |   |   | 
| Ezredes | Alezredes | Őrnagy | Százados | Főhadnagy | Hadnagy | 
| .svg.png) Icelandic Coast Guard[12] 
 |  |   |   |   |   |   |   |   |   |   | 
| Forstjóri Landhelgisgæslunnar | Framkvæmdastjóri aðgerðasviðs | Framkvæmdastjóri siglingasviðs / Framkvæmdastjóri varnarmálasviðs | Flugrekstrarstjóri / Flaggskipherra / Yfirflugstjóri / Tæknistjóri | Skipherrar / Flugstjórar / Deildarstjórar | Næstráðandi / Yfirstýrimaður / Flugmaður / Yfirvélstjóri | Yfirmaður eftir 6 ár / Stýrimaður / Vélstjóri / Flugmaður | Yfirmaður eftir 2 ár / Stýrimaður / Vélstjóri / Flugmaður | Byrjandi í yfirmannastöðu | 
|  Irish Naval Service[13] 
 |  | -O10.svg.png)  | -O9.svg.png)  | -O8.svg.png)  | -O7.svg.png)  | -O5.svg.png)  | -O4.svg.png)  | -O3.svg.png)  | -O2.svg.png)  | -O1.svg.png)  | 
| Vice admiral Leas-Aimiréal
 | Rear admiral Seach-Aimiréal
 | Commodore Ceannasóir
 | Captain Captaen
 | Commander Ceannasaí
 | Lieutenant commander Lefteanant-Cheannasaí
 | Lieutenant Lefteanant
 | Sub-lieutenant Fo-Lefteanant
 | Ensign Meirgire
 | 
|  Italian Navy[14][15][16] 
 |  |   |   |   |   |   |   |   |   |   |  
 |   |   |   |   | 
| Ammiraglio | Ammiraglio di squadra | Ammiraglio di divisione | Contrammiraglio | Capitano di vascello | Capitano di fregata | Capitano di corvetta | Tenente di vascello | Sottotenente di vascello | Guardiamarina | 
 
|  Kosovo | No navy 
 
 | 
|  Latvian Naval Forces[17] 
 |  |   |   |   |   |   |   |   |   |   | 
| Viceadmirālis | Kontradmirālis | Flotiles admirālis | Jūras kapteinis | Komandkapteinis | Komandleitnants | Kapteiņleitnants | Virsleitnants | Leitnants | 
 
|  Liechtenstein | No navy 
 
 | 
| .svg.png) Lithuanian Naval Force[18] 
 |  |   |   |   |   |   |   |   |   |   |   | 
| Admirolas | Viceadmirolas | Kontradmirolas | Flotilės admirolas | Jūrų kapitonas | Komandoras | Komandoras leitenantas | Kapitonas leitenantas | Vyresnysis leitenantas | Leitenantas | 
|  Luxembourg | No navy 
 
 | 
|  North Macedonia | No navy 
 
 | 
|  Maritime Squadron of Malta[19] 
 |  |   |   |   |   |   |   |   | 
| Brigadier Brigadier
 | Colonel Kurunell
 | Lieutenant colonel Logutenent kurunell
 | Major Maġġur
 | Captain Kaptan
 | Lieutenant Logutenent
 | Second lieutenant Sekond logutenent
 | 
 
|  Moldova | No navy 
 
 | 
|  Monaco | No navy 
 
 | 
|  Montenegrin Navy[20] 
 |  |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Admiral | Vice admiral | Kontra admiral | Komodor | Kapetan bojnog broda | Kapetan fregate | Kapetan korvete | Poručnik bojnog broda | Poručnik fregate | Poručnik korvete | 
|  Royal Netherlands Navy[21][22] 
 |  |   |   |   |   |   |   |   |   |   |   | 
| Luitenant-Admiraal | Vice-Admiraal | Schout-bij-Nacht | Commandeur | Kapitein ter zee | Kapitein-luitenant ter zee | Luitenant ter zee der 1ste klasse | Luitenant ter zee der 2de klasse oudste categorie | Luitenant ter zee der 2de klasse | Luitenant ter zee der 3de klasse | 
|  Royal Norwegian Navy[23] 
 |  |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Admiral | Viseadmiral | Kontreadmiral | Flaggkommandør | Kommandør | Kommandørkaptein | Orlogskaptein | Kapteinløytnant | Løytnant | Fenrik | 
|  Polish Navy[24] 
 |   |   |   |   |   |   |   |   |   |   |   | 
| Marszałek Polski | Admirał | Admirał floty | Wiceadmirał | Kontradmirał | Komandor | Komandor porucznik | Komandor podporucznik | Kapitan marynarki | Porucznik marynarki | Podporucznik marynarki | 
| Rank group | General / flag officers | Senior officers | Junior officers | 
|  Portuguese Navy[25] 
 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Almirante da Armada | Almirante | Vice-almirante | Contra-almirante | Comodoro | Capitão de mar e guerra | Capitão de fragata | Capitão-tenente | Primeiro-tenente | Segundo-tenente | Guarda-marinha/ Subtenente
 | 
| .svg.png) Romanian Naval Forces[26] 
 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Mareșal | Amiral | Viceamiral | Contraamiral | Contraamiral de flotilă | Comandor | Căpitan-comandor | Locotenent-comandor | Căpitan | Locotenent | Aspirant | 
|  Russian Navy[27] 
 |  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Адмирал флота Admiral flota
 | Адмирал Admiral
 | Вице-адмирал Vitse-admiral
 | Контр-адмирал Contre-admiral
 | Капитан 1-го ранга Kapitan 1-go ranga
 | Капитан 2-го ранга Kapitan 2-go ranga
 | Капитан 3-го ранга Kapitan 3-go ranga
 | Капитан-лейтенант Kapitan-leytenant
 | Старший лейтенант Starshiy leytenant
 | Лейтенант Leytenant
 | Младший лейтенант Mladshiy leytenant
 | 
|  San Marino | No navy 
 
 | 
|  Serbian River Flotilla[28] 
 |  |   | -O12.svg.png)  |   | -O11.svg.png)  |   | -O10.svg.png)  |   | -O9.svg.png)  | -O7.svg.png)  |   | -O5.svg.png)  | -O4.svg.png)  | -O3.svg.png)  | -O2.svg.png)  | -O1.svg.png)  | 
| Адмирал Admiral
 | Вицеадмирал Vitseadmiral
 | Контраадмирал Kontraadmiral
 | Комодор Komodor
 | Капетан бојног брода Kapetan bojnog broda
 | Капетан фрегате Kapetan fregate
 | Капетан корвете Kapetan korvete
 | Поручник бојног брода Poručnik bojnog broda
 | Поручник фрегате Poručnik fregate
 | Поручник корвете Poručnik korvete
 | Потпоручник Potporučnik
 | 
|  Slovakia | No navy 
 
 | 
|  Slovenian Navy[29] 
 |  |   |   |   |   |   |   |   |   |   |   | 
| Admiral | Vice admiral | Kontraadmiral | Kapitan | Kapitan bojne ladje | Kapitan fregate | Kapitan korvete | Poročnik bojne ladje | Poročnik fregate | Poročnik korvete | 
|  Spanish Navy[30] 
 | .svg.png)  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Capitán general | Almirante general | Almirante | Vicealmirante | Contralmirante | Capitán de navío | Capitán de fragata | Capitán de corbeta | Teniente de navío | Alférez de navío | Alférez de fragata | 
|  Swedish Navy[31] 
 |  |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Amiral | Viceamiral | Konteramiral | Flottiljamiral | Kommendör | Kommendörkapten | Örlogskapten | Kapten | Löjtnant | Fänrik | 
| .svg.png) Switzerland | No navy 
 
 | 
|  Turkish Naval Forces[32] 
 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 
| Büyük amiral | Oramiral | Koramiral | Tümamiral | Tuğamiral | Albay | Yarbay | Binbaşı | Yüzbaşı | Üsteğmen | Teğmen | Asteğmen | 
|  Ukrainian Navy[33] 
 |  |   |   |   |   |   |   |   |   |   |   |   | 
| Адмірал Admiral
 | Віце-адмірал Vitse-admiral
 | Контр-адмірал Kontr-admiral
 | Коммодор Kommodor
 | Капітан I рангу Kapitan I ranhu
 | Капітан II рангу Kapitan II ranhu
 | Капітан III рангу Kapitan III ranhu
 | Капітан-лейтенант Kapitan-leytenant
 | Старший лейтенант Starshyy leytenant
 | Лейтенант Leytenant
 | Молодший лейтенант Molodshyy leytenant
 | 
|  Royal Navy[34] 
 |   |   |   |   |   |   |   |   | .svg.png)  |   |   |   |   |   |   |   | 
| Admiral of the Fleet | Admiral | Vice admiral | Rear admiral | Commodore | Captain | Commander | Lieutenant commander | Lieutenant | Sub lieutenant | Midshipman | 
|  Royal Marines[35] 
 |  |   |   |   |   |   |   |   |   |   |   | 
|  | General | Lieutenant-general | Major-general | Brigadier | Colonel | Lieutenant colonel | Major | Captain | Lieutenant | Second lieutenant | 
 
| .svg.png) Vatican City | No navy 
 
 | 
| Rank group | General / flag officers | Senior officers | Junior officers |