Neilla \ne(il)-la\ as a girl's name is a variant of Neala (Irish, Gaelic) and Neila (Hebrew), and the meaning of Neilla is "champion; closing, locking".

The baby name Neilla sounds like Nella, Neille and Nealla. Other similar baby names are Della, Dilla, Bella, Willa, Billa, Nilda, Milla, Cilla, Ceilia, Ceila, Nelly, Nell, Nelia, Nela, Nelli, Nelle, Nelda, Geila, Hella, Keila, Leila, Lilla, Mella, Naila, Neile, Nebula, Neilina, Neelle, Neima, Neiva, Nila, Neelya, Neelia, Neola, Nerola, Nillda, Nilsa, Neina, Noella, Nualla, Pella, Quilla, Rella, Reilly, Rilla, Shilla, Seila, Teille, Teill and Zilla.