All around the world, לואיזי (Luisi 
, לואיזי 
) is a rare gender-neutral given name. The forename לואיזי is characteristic of Puerto Rico, where it is quite a rare boy's name, Albania, and the Dominican Republic, where it is a rare unisex name. Not in comparison with a country's population, the name is most common in Spain, Brazil, and Italy. More prevalently, לואיזי is the last name as well as the forename.