Brenna \b-renna, br(en)-na\ as a girl's name is pronounced BREN-ah. It is of Gaelic origin, and the meaning of Brenna is "little drop of water; raven or black-haired". Modern use is probably as a feminine form of Brennan, and influenced by Brianna.

Brenna has 9 variant forms: Bren, Brenie, Brenn, Brenne, Brennah, Brenyn, Brinna, Brynna and Brynne.

For more information, see also the related name Breena.

Baby names that sound like Brenna are Breanna, Breonna, Breona, Breina, Breana and Brienna.