In the entire world, Biia (Biia 
) is a rare feminine given name. The forename Biia is habitual in Romania, where it is quite a rare feminine name, Portugal, where it is a rare feminine name, and Saudi Arabia, where it is a very rare female name. Not in comparison with a country's population, the name is most common in Romania, Portugal, and Brazil. Very seldom, Biia is the last name as well as the forename.