Prince Józef Aleksander Jabłonowski (4 February 1711[1]–1777[2]) was a Polish nobleman (szlachcic).

Józef became Stolnik of Lithuania in 1744, voivode of Nowogródek Voivodeship from 1755 to 1772[3] and starost of Busk, Ukraine, Korsuń, Zvenyhorodka, Wołpenia, Rakancin and Ławara.

He founded the Societas Jablonoviana (Towarzystwo Naukowe Jablonowskich) – "Science Society of the Jablonowski Family".

[4] He died in 1777 and was buried in the Pleissenburg Castle in Leipzig, Germany.

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