Around the globe, Bolesław (Bolesław 
, Болеслав 
, Boleslaw 
) is a common boy's given name. The first name Bolesław is characteristic of Poland, where it is quite a common masculine name, Ukraine, where it is quite a rare masculine name, and Kazakhstan. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Poland, Ukraine, and Russia. More prevalently, Bolesław is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bolesław | United Kingdom, Poland, United States, Lithuania, Germany |
| Болеслав | Bulgaria, Russia, Kazakhstan, Ukraine, Belarus |
| Boleslaw | United Kingdom, Poland, United States, France, Germany |
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bolesław i chrobry King of Poland, Duke of Bohemia (967-1025), PL (b. 967) |
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bolesław ii śmiały King of Poland, PL (b. 1041) |
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bolesław iii krzywousty duke of Poland between 1107 and 1138, PL (b. 1086) |
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bolesław iv kędzierzawy High Duke of Poland, PL (b. 1120) |
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bolesław i. wysoki Duke of Wroclaw, PL (b. 1127) |
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| bolesław dypoldowic PL (b. 1101) |
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bolesław i of masovia Polish noble (b. 1208) |
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| bolesław mieszkowic Duke of Kuyavia (b. 1159) |
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bolesław ii rogatka Duke of Silesia, PL (b. 1217) |
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bolesław pobożny Duke of Greater Poland, PL (b. 1225) |
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bolesław v wstydliwy High Duke of Poland, PL (b. 1226) |
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bolesław ii of masovia Duke of Masovia (b. 1251) |
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bolesław i surowy Duke of Jawor, PL (b. 1253) |
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bolesław of oleśnica Polish noble (b. 1290) |
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bolesław iii rozrzutny Duke of Brzeg, PL (b. 1291) |
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Mazur, Kotowski, Kowalski, Kołtowski, Rogowski, Rzepliński, Goranczewski, Juskowiak, Herudziński, Wielgosz, Zapasnik, Zawadzki, Borkowski, Kowalczyk, Rogoziński, Jabłoński, Niemierko, Witkowski, Kruszewski, Dziembowski, Janczewski, Kaczmarczyk, Cieślik, Słociński, Machulec, Śmiały, Broda, Biela, Psuja, Gauze, Janas, Nowak, Daniel, Giemza, Jasmin, Tokarz, Kierzkowski, Mrzygłód, Szenicer, Bryliński, Krzywousty, Górski, Nowicki, Hangiel, Feledyk, Walczyk, Witczak, Wyligała, Sporysz, and Trojanowski