Gregoire \g-regoi-re, gr(e)-goire\ as a boy's name is a variant of Gregory (Greek), and the meaning of Gregoire is "watchful, vigilant".

The baby name Gregoire sounds like Gregori, Gregor and Gregoor. Other similar baby names are Gregorio, Grygor, Grigori, Grigor, Gregos, Gregorius, Greggory and Greger.