Augustin \a(u)-gus-tin, aug(u)-stin\ as a boy's name is a variant of August (Latin), Augustine (Latin) and Augustus (Latin), and the meaning of Augustin is "great, magnificient".
The baby name Augustin sounds like Augustino, Agustin and Augustyn. Other similar baby names are Avgustin, Austin, Augusto, Auguste, Agustino, Agustine and Aguistin.