The following is a list of Polish officers holding the rank of admiral, as well as generals serving in the Polish Navy. Prior to 1918 the term admirał (and, consistently, wiceadmirał and kontradmirał) referred to a function held in the navy rather than a military rank as such.
Until 1918
admiral Ellert Appelman[a] (See surname Appelman in Swedish Wikipedia).
admiral Grzegorz Fentross, probably Gregorio Venturoso[c]
admiral Johan Nilsson Gyllenstierna [a] also Jan Guldenstern - see Gyllenstierna/Gyldenstjerne/Guldenstern in English, Polish, and Swedish Wikipedia.
admiral Tonnson Maidel [a]
admiral Michał Starostka, (also Michał Starosta) first Pole to be appointed admiral (1571), he was ennobled and entitled to Starostka coat-of-arms[permanent dead link] (1569).