In the entire world, Grzesiu (Grzesiu 
) is a rare male first name. The first name Grzesiu is characteristic of Eastern Europe, particularly Poland, where it is a rare boy's name. Very seldom, Grzesiu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Grzesiu | Poland |
Gergely, Greger, Gregers, Gregor, Gregorio, Gregorius, Gregory, Grigalius, Grigor, Grigori, Grigorij, Grigory, Grzegorz, Grzesiek, Grześ, Grégory, Krikor, Reijo, Γρηγόριος, Гжегож, Грег, Грегер, Грегор, Грегори, Грегорио, Грегорі, Грегоріо, Григор, Григорий, Григорій, Гриня, Гриша, Грыгоры, Крикор, Рейо, Рыгор, גרגורי, غريغور, غريغوري, გრიგოლი, グレゴリー, 格雷戈里, and 格雷戈里奥
Grzesiu is also a name for the fictitious and mythical characters: Grzegorz Brzęczyszczykiewicz , the pseudonym of the main character in Polish comedy film How I Unleashed World War II and Grzegorz Nowicki .
Ski, Lipiec, Fleger, Wróbel, Zywert, Środa, Magiera, Sawicki, Sobczyk, Armatys, Kinowski, Pietron, Grzelak, Jurczyk, Nazarko, Mikulski, Brzezina, Kujawski, Romaniuk, Wielowski, Łukasik, Cichonski, Gusdek, Jankowski, Rebisz, Pytlik, Asia, Greg, Tonn, Esiu, Salak, Suder, Stopa, Konik, Kramp, Klima, Lizak, Nowak, Wrona, Moniak, Migdał, Szwedo, Adamus, Chmura, Czesiu, Krupka, Pomaga, Roszak, and Kantorowicz