Worldwide, Leonsio (Leonsio 
) is a rare male given name. The first name Leonsio is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a rare masculine name, Mexico, and Argentina, where it is a very rare boy's name. In absolute terms, it is the most numerous in Mexico, Nicaragua, and Philippines. Likewise, Leonsio is the last name as well as the forename.