Brenn \b-re-nn\ as a girl's name (also used as boy's name Brenn), is a variant of Brenda (Old Norse) and Brenna (Gaelic), and the meaning of Brenn is "sword; little drop of water; raven or black-haired".

The baby name Brenn sounds like Brann, Breann, Breen, Bren, Brenne, Brinn and Brynn. Other similar baby names are Brenyn, Drena, Arena, Arene, Aren, Bena, Benni, Benny, Brani, Brand, Breanna, Breonna, Breona, Breina, Breiann, Brei, Breeann, Breean, Breea, Bree, Breanne, Breana, Breah, Brea, Breck, Breda, Breena, Bryna, Brina, Brenee, Brennda, Brynne, Brynna, Brinna, Brennah, Brenie, Brennan, Brett, Bret, Bryn, Bryann, Briny, Brieon, Brienne, Brienna, Brieann, Briann, Brana, Bretny, Bronny, Bruna, Buena, Erynn, Erinn, Irene, Irena, Iren, Ireen, Erene, Erena, Lorenn, Trena, Treen, Urena and Wren.