Brendolyn \b-rendol-yn, br(e)-ndo-lyn\ as a girl's name is a variant of Brenda (Old Norse), and the meaning of Brendolyn is "sword".
The baby name Brendolyn sounds like Brandolyn, Brandilyn, Brandylyn, Brandalyn, Brandelyn and Brendalynn. Other similar baby names are Brandalynn, Brandyn, Brandily, Brendyl and Brendell.