Gauthier \ga(u)-thier\ as a boy's name is of Teutonic origin, and the meaning of Gauthier is "strong ruler". Fashion designer Jean-Paul Gaultier.
Gauthier has 5 variant forms: Galtero, Gaultier, Gautier, Gualterio and Gualtiero.
For more information, see also the related name Walter.
Baby names that sound like Gauthier are Guthrie, Guthrey and Guthree.