In all the world, Silbia (Silbia 
) is quite a rare feminine first name. The first name Silbia is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare feminine name, Bolivia, where it is quite a rare epicene name, and Mexico, where it is a rare female name. Measured by absolute frequency, it is the most numerous in India, Mexico, and Argentina. Much less frequently, Silbia is the last name as well as the forename.