Around the globe, Гайна (Gaina 
, Gajna 
, Gayna 
) is a common gender-neutral first name. The given name Гайна is characteristic of Romania, where it is quite a rare unisex name, the Democratic Republic of the Congo, where it is a rare female name, and India, where it is a rare epicene name. Likewise, Гайна is the last name as well as the forename.