Gregos \g-re-gos\ as a boy's name is a variant of Gregory (Greek), and the meaning of Gregos is "watchful, vigilant".

The baby name Gregos sounds like Crooks, Giorgios, Georgios and Georges. Other similar baby names are Gregor, Argos, Grygor, Grigor, Gregori, Gregoor, Gregg and Greg.