Kiefer \ki(e)-fer\ as a boy's name is pronounced KEE-fer. It is of German origin, and the meaning of Kiefer is "barrel maker". Variant of Cooper. Actor Kiefer Sutherland; painter Anselm Kiefer.

Kiefer has 8 variant forms: Keefer, Keifer, Kieffer, Kiefner, Kieffner, Kiefert, Kuefer and Kueffner.

Baby names that sound like Kiefer are Kefir, Geofrey, Geoffry, Geoffery, Geffrey and Geofry.