Neysa \ne(y)-sa\ as a girl's name is a variant of Agnes (Greek), and the meaning of Neysa is "pure, holy".

The baby name Neysa sounds like Nessa and Nysa. Other similar baby names are Nevsa, Nesta, Nessy, Nesi, Nessah, Netta, Nella, Nelia, Nela, Deysi, Deyse, Dessa, Neera, Lysa, Leisa, Leesa, Leasa, Jessa, Maysa, Mesa, Neoma, Neala, Neila, Neda, Nedda, Neema, Neena, Neima, Neiva, Neva, Neka, Nelsy, Nelsea, Neola, Nera, Neryssa, Nerys, Neryss, Netia, Neta, Nessya, Nessia, Nesha, Nest, Nya, Nea, Nyla, Nilsa, Nyna, Nenna, Neina, Nena, Neesha, Nissa, Nyssa, Nitsa, Rysa, Reesa, Tessa and Tesa.