Didier \d(i)-dier\ as a boy's name is of French origin, and the meaning of Didier is "much-desired". From Desideratus. Male form of D?r?(see Desiree).
For more information, see also the related name Desiderio.
Baby names that sound like Didier are Dieter and Dade. Other similar baby names are Dizier, Kidder, Rider and Ridder.