Briahna \b-riah-na\ as a girl's name is a variant of Brianna (Irish, Gaelic, Celtic), and the meaning of Briahna is "high, noble, exalted".
The baby name Briahna sounds like Briauna and Briana. Other similar baby names are Arianna, Ariana, Breanna, Breiana, Breawna, Breauna, Breana, Brina, Brinna, Brianda, Briand, Bryauna, Bryanna, Bryana, Brienna, Brieanna, Briaunna, Brianni, Brianne, Briannah, Briann, Briane, Brana, Brionna, Briona, Brisha, Iriana, Oriana and Orianna.