Arlenn \a-rle-nn, ar-lenn\ as a boy's name is a variant of Arlen (Gaelic), and the meaning of Arlenn is "pledge, oath".

The baby name Arlenn sounds like Arrlen, Arllen, Arlyn, Arlin, Arland, Arlan and Erlend. Other similar baby names are Aren, Arjen, Alleyn, Allen, Alen, Alann, Ailean, Arden, Arien, Arles, Arley, Arlea, Armen, Arren, Arseno, Arseni, Arsene, Arsen and Harlenn.