Gillette \gi(l)-lette, gill(et)-te\ as a boy's name is a variant of Gillett (Old French), and the meaning of Gillette is "young Gilbert".

The baby name Gillette sounds like Gelette and Gelett. Other similar baby names are Willett, Gillbie, Gilles, Gilley, Gillean, Gilleon, Gillen and Willet.