Brenyn \b-ren-yn, br(e)-nyn\ as a girl's name (also used as boy's name Brenyn), is a variant of Brenna (Gaelic), and the meaning of Brenyn is "little drop of water; raven or black-haired".

The baby name Brenyn sounds like Brennan and Bronwyn. Other similar baby names are Brenn, Beryn, Bradyn, Brann, Brandyn, Breelyn, Breean, Breann, Brenee, Breen, Brenda, Bren, Brenne, Brenie, Bryn, Briny, Brinn, Brynn, Brityn, Bretny, Brogyn and Bronya.