Balder \b(a)-lder, bal-der\ as a boy's name is of Old English origin, and the meaning of Balder is "courageous army". Here, "bald" does not mean "hairless", but "brave". Norse mythology: the god Balder is called "the good", and reigns over summer, light, and innocence.

Balder has 3 variant forms: Baldor, Baldur and Baudier.

Baby names that sound like Balder are Balderik and Balderic.