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