Worldwide, Radelia (Radelia 
) is a rare girly first name. The first name Radelia is habitual in the Democratic Republic of the Congo, where it is a rare female name, Peru, where it is a very rare female name, and Philippines. Not in comparison with a country's population, the name is most common in the Democratic Republic of the Congo, Indonesia, and Philippines. Much less frequently, Radelia is the last name as well as the forename.