Yes it's Spanish and Italian but more Spanish , it's a very popular name there.
'Luis' IS Spanish for 'Louis' or 'Lewis'
The name 'Luisa'
Luisa is the Spanish spelling of the name and is pronounced Lwee-sa Louisa is the English spelling of the name, and is pronounced Loo-eez-ah or Loo-ees-ah
In Spanish, Marisa is the contraction of the compund name 'María Luisa' (Mary Louise).
Luisa Espinel's birth name is Luisa Ronstadt.
Luisa Garella's birth name is Luisa Gargarella.
In Korean, the name "Luisa" can be written as 루이사 (Ruisa) or 르이사 (Reu-isa). The name would be pronounced as "Loo-ee-sa" using the Korean alphabet.
Luisa Albinoni's birth name is Luisa Carmen Ruso.
Luisa Veira's birth name is Luisa Veira Faria.
A Luisa le gustan las clases.
The meaning of the name Luisa is "Fame and war."
Luis Demetrio's birth name is Luis Demetrio Traconis Molina.
Ana Luisa Peluffo's birth name is Quintana, Ana Luisa.