Globally, Grigalius (Григорій 
, Grigalius 
) is a widespread male given name. The first name Grigalius is characteristic of Eastern Europe, particularly Ukraine, where it is a common boy's name.
| VARIANT | COUNTRY |
|---|---|
| Григорій | Ukraine |
| Grigalius | Norway, Poland, Brazil, Canada, Lithuania |
Gergely, Greger, Gregers, Gregor, Gregorio, Gregorius, Gregory, Gregòri, Greig, Grigor, Grigori, Grigorij, Grigorios, Grigoris, Grigory, Grzegorz, Grzesiek, Grzesiu, Grześ, Grégoire, Grégory, Hryhorij, Hryhoriy, Krikor, Reijo, Ryhor, Řehoř, Γρηγόρης, Γρηγόριος, Гжегож, Грег, Грегер, Грегор, Грегори, Грегорио, Грегорі, Грегоріо, Григалюс, Григор, Григорий, Григориос, Гриня, Гриша, Грыгоры, Грэг, Крикор, Рейо, Ригор, Рыгор, גרגורי,
Grigalius is also a popular name for the fictitious and mythical characters: Gregory House , the protagonist of the American television series House; Gregory Goyle , the fictional character of the Harry Potter series, Harry Potter and the Philosopher's Stone; Calendar Man , the comic book character, The Lego Batman Movie; Pechorin , the fictional character in Mikhail Lermontov's novel A Hero of Our Time and Greg Universe , the Steven Universe character, and in many other works.