Briaunna \bri(aun)-na\ as a girl's name is a variant of Brianna (Irish, Gaelic, Celtic), and the meaning of Briaunna is "high, noble, exalted".
The baby name Briaunna sounds like Briauna, Breanna, Breaunne, Breauna, Brinna, Bryauna, Bryanna, Brienna, Brieanna, Brianni, Brianne, Briannah, Briann, Briana, Briahna and Brionna. Other similar baby names are Arianna, Brianda and Orianna.