Jacek Jan Fedorowicz (born 18 July 1937) is a Polish satirist, caricaturist, underground comix artist [1] and actor.

In the second half of the 1960s he performed on the public Polish Television (TVP), where he was a co-author of various TV shows, such as: Poznajmy się, Małżeństwo doskonałe, Kariera i Runda.

Throughout 60's and 70's he performed on stage, first in Kabaret Wagabunda (with Lidia Wysocka, Maria Koterbska, Mieczysław Czechowicz and Bogumił Kobiela, among others), afterwards in a programme Popierajmy się (with Bohdan Łazuka, Tadeusz Ross, Piotr Szczepanik and Ryszard Markowski).

In 2005 Dziennik Telewizyjny changed its name into Subiektywny Ekspres Jacka Fedorowicza aka SEJF (Jacek Fedorowicz's Subjective Express) for several months.

For some time in 2006 he compered Z przymrużeniem kamery - the series of programmes broadcast by Kino Polska TV which focuses on presenting Polish classic comedy movies.

Together with his wife Anna he was engaged in Prymasowski Komitet Pomocy Osobom Pozbawionym Wolności i ich Rodzinom (Primate's committee for bringing help to people deprived of their freedom and to their families) that was active during the martial law.