Around the globe, Gerna (Gerna 
) is quite a rare epicene first name. The forename Gerna is habitual in the Democratic Republic of the Congo, where it is quite a rare unisex name, Philippines, where it is a rare female name, and South Africa. Measured by absolute frequency, the name is most common in the Democratic Republic of the Congo, Philippines, and Indonesia. Much less frequently, Gerna is the last name as well as the forename.