Zygmunt
Zygmunt, Zigmunt, Zigmund and spelling variations thereof are masculine given names and occasionally surnames. People so named include:Given name
Medieval period
- Sigismund I the Old, Zygmunt I Stary in Polish, King of Poland and Grand Duke of Lithuania
- Sigismund II Augustus, Zygmunt II August in Polish, King of Poland and Grand Duke of Lithuania, only son of Sigismund I
- Sigismund III Vasa, Zygmunt III Waza in Polish, King of Poland, Grand Duke of Lithuania, monarch of the united Polish–Lithuanian Commonwealth and King of Sweden
- Zygmunt Grudziński, Polish nobleman, voivode of Rawa
- Zygmunt Grudziński, Polish nobleman, voivode of Innowrocław and Kalisz
- Zygmunt Kazanowski, Polish nobleman, soldier and magnate in the Polish-Lithuanian Commonwealth
- Zygmunt Tarło, Polish–Lithuanian nobleman
Modern era
- Zygmunt Bauman, Polish sociologist
- Zygmunt Berling, Polish general
- Zygmunt Bohusz-Szyszko, Polish general
- Zygmunt Chychła, Polish boxer and 1952 Olympic welterweight champion
- Zygmunt Gloger, Polish historian, archaeologist, geographer and ethnographer
- Zygmunt Grudziński, Polish radiologist
- Zygmunt Heljasz, Polish shot putter and discus thrower
- Zygmunt Hübner, Polish film actor
- Zygmunt Kalinowski, Polish former football goalkeeper
- Zygmunt Kamiński, Polish Roman Catholic archbishop
- Zygmunt Konieczny, Polish composer of theatre and film music
- Zygmunt Krasiński, Polish poet and nobleman
- Zygmunt Kukla, Polish footballer
- Zygmunt Malanowicz, Polish film actor
- Zygmunt Maszczyk, Polish retired footballer
- Zigmund Red Mihalik, American basketball player and referee, member of the Basketball Hall of Fame
- Zygmunt Miłkowski, Polish romantic writer and politician
- Zygmunt Miłoszewski, Polish writer and former journalist and editor
- Žigmund Pálffy, retired National Hockey League player from Slovakia
- Zygmunt Rumel, Polish poet and member of the Polish resistance in World War II
- Zygmunt Smalcerz, Polish weightlifting coach and retired weightlifter, 1972 Olympic flyweight champion
- Zygmunt Solorz-Żak, Polish businessman and billionaire
- Zygmunt Stojowski, Polish pianist and composer
- Zigmunt Ziggy Switkowski, Australian businessman and nuclear physicist
- Zygmunt Szweykowski, historian of Polish literature
- Zigmunt Zygi Wilf, owner of the Minnesota Vikings National Football League team
- Zygmunt Florenty Wróblewski, Polish physicist and chemist
- Zygmunt Zalcwasser, Polish mathematician and Holocaust victim
- Zygmunt Zaremba, Polish socialist activist and publicist
- Zygmunt Zieliński, Polish general
Surname
- Antoni Zygmund, Polish mathematician
- Paweł Zygmunt, Polish retired speed skater
- Ted Zigmunt, American politician