Namesakes
Notable Writers:
1 poet
Zygmunt Krasiński 1812-1859 
Polish High Dukes and Kings:
3 kings
King Zygmunt I the Old 1506-1548
King Zygmunt II Augustus 1548-1572
King Zygmunt III Vasa 1587-1632
Saints:
2 saints
Saint Zygmunt Szczęsny Feliński 1822-1895
Saint Zygmunt Gorazdowski 1845-1920
Swedish Kings and Queens:
1 king
King Sigismund (a.k.a. Zygmunt) 1592-1599