Marcelin \m(a)-rce-lin, mar-celin\ as a boy's name is a variant of Marcel (French). See for meaning of Marcelin.
The baby name Marcelin sounds like Marcellin, Marcely, Marcelo, Marcello, Marcell and Marcellino. Other similar baby names are Marlin, Marzell, Marcellus, Marlon, Marlinn, Marlen, Marlan, Marsdin, Marsean, Maslin, Masslin and Merlin.