Luiza is a common female name in Brazil and other Portuguese-speaking countries. It is derived from the Germanic name Louise, which means "famous warrior." The name has various spellings and forms, including Luiza, Luise, and Louise, and is often associated with qualities like strength and independence. In popular culture, Luiza can refer to characters in literature, music, or film. For example, Luiza is a character in the Brazilian novel "O Guarani" by José de Alencar. The name is also used in various songs and artistic works, reflecting its cultural significance in the Portuguese-speaking world.