Across the world, Lyann (Lyann 
) is a rare girly given name. The forename Lyann is characteristic of Puerto Rico, where it is quite a rare feminine name, Panama, and Philippines, where it is a rare predominantly female, but very infrequently male name. Not in comparison with a country's population, this name is the most popular in the United States, Puerto Rico, and Philippines. Also, Lyann is the last name as well as the forename.