Józef Ankwicz (; 1750 – 9 May 1794), of Awdaniec coat of arms, also known as "Józef z Posławic" and "Józef Awdaniec", was a politician and noble ("szlachcic") in the Polish–Lithuanian Commonwealth. He held the office of castellan of Nowy Sącz from 1782. Deputy to the Great Sejm, and most infamously, the Grodno Sejm: for his actions during the latter he is remembered as one of the most prominent collaborators with the foreign partitioners of Poland.