Meaning: the English form of Latin Gregorius, from Greek Gregorios meaning "watchful, alert".
Greg/Gregg are short forms of the name.
- Grigor, Krikor (Armenian)
- Grigor (Bulgarian, Macedonian, Welsh)
- Gregor (German, Scottish, Slovak, Slovene)
- Greger (Swedish)
- Reijo, Reko (Finnish)
- Gregorio (Italian, Spanish)
- Grégoire, Grégory (French)
- Grigori, Grigoriy, Grigory, Grisha (Russian)
- Gregoria (Italian, Spanish, Late Greek)