Brie \b-rie\ as a girl's name is of French and Latin origin, and the meaning of Brie is "marshland". Variant spelling of Bree, altered to coincide with the place name for a region in France most famous for the production of its cheese. Also used as a feminine form of Brian.
Brie has 2 variant forms: Bree and Briette.
For more information, see also the related name Brianna.