Wilber \wi(l)-ber\ as a boy's name is a variant of Wilbert (Old German) and Wilbur (Old German), and the meaning of Wilber is "bright will".

The baby name Wilber sounds like Ailbert, Elber, Filbert, Wilburt, Wilburn, Wilberto and Willbur. Other similar baby names are Wilder and Wilmer.