Agnessa \ag-nessa, agne(s)-sa\ as a girl's name is a variant of Agnes (Greek), and the meaning of Agnessa is "pure, holy".

The baby name Agnessa sounds like Anessa, Agnesse and Agness. Other similar baby names are Arnessa, Anissa, Agnetta, Agneta, Agnese, Agnella, Agneis, Annissa and Anyssa.