Brant \b-ra-nt\ as a boy's name is pronounced brant. It is of Old English origin. Probably variant of Brent. The English surname Brant is an uncommon variant of Brand. Brant County and Brantford in southern Ontario are named for Joseph Brant, a Mohawk and renowned strategist who fought on the British side during the American Revolution. He was also a devout scholar who translated Christian religious works into his native tongue. Media executive Peter Brant.
For more information, see also the related name Braxton.