Across the world, Gaa (Gaa 
) is a rare epicene first name. The first name Gaa is habitual in Saudi Arabia, where it is a rare epicene name, Indonesia, where it is a very rare boy's name, and Nigeria, where it is an extremely rare male name. Measured by absolute frequency, it most frequently occurs in Indonesia, India, and Saudi Arabia. More prevalently, Gaa is the last name as well as the forename.