Chajka (Czajka) (d. after 14 November 1781), mistress of the Polish king Stanisław August Poniatowski.[1] She was a Pole of Jewish ancestry.[2]
She was daughter of the Jewish merchant Abramek Lwowski (Abramek of Lwów)[3] and lived in Żwaniec. In 1781, she was painted by Krzysztof Radzwiłłowski. Czajka had a daughter named Elia (Ella).