Austyn \a(u)-st-yn, aus-tyn\ as a girl's name (also used as boy's name Austyn), is a variant of Austine (French, Latin), and the meaning of Austyn is "great, magnificent".
The baby name Austyn sounds like Austyne and Austyna. Other similar baby names are Aislyn, Ayslyn, Ashtyn, Aston, Austina, Dustin, Dustan, Justyne and Justyna.