Luiza \lu(i)-za\ as a girl's name is a variant of Luisa (Spanish). See for meaning of Luiza.

The baby name Luiza sounds like Liza, Lujza, Louiza and Lucza. Other similar baby names are Lina, Aliza, Lita, Lida, Lila, Diza, Lize, Eliza, Lyza, Lusa, Lizz, Lizy, Liz, Lisa, Leisa, Leeza, Lira, Giza, Laila, Laina, Lia, Leia, Leida, Leila, Leina, Liya, Loida, Lura, Lula, Luise, Louisa, Lluisa, Luana, Luba, Liba, Lucia, Lucila, Lucina, Lucita, Luzita, Lusita, Luzija, Luz, Lucida, Luna, Liva, Raiza and Ruza.