Brentan \b-ren-tan, br(e)-ntan\ as a boy's name is a variant of Brent (Old English, Celtic) and Brenton (Old English), and the meaning of Brentan is "hill, mount; Bryni's settlement".

The baby name Brentan sounds like Brendan, Brentyn, Brentin and Brenten. Other similar baby names are Brennan and Brenan.