Arch \a-rch, ar-ch\ as a boy's name is a variant of Archibald (Old French, Old German), and the meaning of Arch is "genuine, bold, brave".

The baby name Arch sounds like Archy, Arek, Archie, Aric, Arik, Arick and Erich. Other similar baby names are Arun, Aron, Arin, Ari, Aren, Aran, Rich, Ara, Aram, Archer, Ardy, Arda, Ard, Ares, Arye, Ary, Arri, Arie, Arel, Aris, Arly, Arlo, Arne, Arni, Arno, Arny, Arn, Aryo, Ario, Art, Arty, Arto, Arte, Arrt, Arv, Arvy, Aryeh, Ash, Birch, Burch, Arry, Larch, March and Roch.