Aislyn \a(i)-sl-yn, ais-lyn\ as a girl's name is a variant of Aisling (Irish, Gaelic), and the meaning of Aislyn is "dream, vision".

The baby name Aislyn sounds like Ailyn, Aislynn and Ayslyn. Other similar baby names are Adelyn, Adalyn, Aillin, Aislinn, Allyn, Arlyn, Ayslin, Ashlyn, Austyn, Avelyn, Jaslyn, Jeslyn, Joslyn and Roslyn.