Namesakes
Hyacinth of Poland
(a.k.a. Jacek) (m) 1187-1257 
Saints
Jacek Malczewski
(m) 1854-1929
Notable Artists
Jacek Wszoła
(m) 1956-
Olympic Medalists 1976; 1980 high jump (gold/silver)
Kamil Glik
(a.k.a. Jacek) (m) 1988-
Notable Athletes (soccer)