Jan Łaski, Polish archbishop and diplomat (b. 1456)
Jan Łaski (1456 in Łask – 19 May 1531 in Kalisz, Poland) was a Polish nobleman, Grand Chancellor of the Crown (1503–10), diplomat, from 1490 secretary to Poland's King Casimir IV Jagiellon and from 1508 coadjutor to the Archbishop of Lwów.

From 1510 Łaski was Archbishop of Gniezno and thus Primate of Poland.