In the world, Алойзи (Alojzy 
, Алойзи 
) is quite a rare boy's given name. The forename Алойзи is habitual in Poland, where it is quite a rare masculine name, Czechia, where it is a rare male name, and Germany. Measured by absolute frequency, it is the most numerous in Poland, Germany, and the United States. Much more frequently, Алойзи is the last name as well as the forename.