Brentyn \b-rent-yn, br(en)-tyn\ as a boy's name is a variant of Brent (Old English, Celtic), and the meaning of Brentyn is "hill, mount".
The baby name Brentyn sounds like Brendyn, Brenton, Brentin, Brenten, Brentan and Brenttyn. Other similar baby names are Brenyn, Benton, Brennan, Branton, Brandyn, Brantin, Branten, Brendan, Brennon, Brennen, Brendon, Brendin, Brenden, Brennin, Brenan, Brentt, Brently, Brentton, Bretton, Breton, Trenton, Trentin and Trenten.