Briar \b-riar\ as a girl's name is of English origin, and the meaning of Briar is "thorny bush of wild roses, brambles". 20th-century coinage.

Briar has 6 variant forms: Brier, Briet, Brieta, Brietta, Brya and Bryar.

Baby names that sound like Briar are Berura and Beruria.