Waldemar \wa-lde-mar, wal-demar\ as a boy's name is of Old German origin, and the meaning of Waldemar is "renowned ruler". Literally, "fame, power".

Waldemar has 1 variant form: Valdemar.

For more information, see also the related name Waldo.

Baby names that sound like Waldemar are Waltham, Altman, Eltman, Vladimir and Vladamir.