State: Poland 1918-1952 / Continent: Europa / Era: former
| Formal name: | Republic of Poland |
| Original name: | Rzeczpospolita Polska |
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| Marynarz | Starszy Marynarz | Mat | Bosmanmat |
| seaman | senior seaman | leading seaman | petty officer 2nd class |
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| Bosman | Starszy Bosman | Chorąży |
| chief petty officer 2nd class | chief petty officer 1st class | Warrant officer |
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| Podporucznik | Porucznik | Kapitan |
| acting sub lieutenant | sub lieutenant | lieutenant |
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| Komandor Podporucznik | Komandor Porucznik | Komandor |
| lieutemann commander | commander | captain |
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| Kontradmirał | Wiceadmirał | Admirał |
| rear admiral | vice admiral | admiral |