Throughout the world, Regat (Regat 
, Rēx) is a rare dominantly female, but seldom masculine forename. The forename Regat is habitual in Sudan, where it is a rare female name, Saudi Arabia, where it is a very rare female name, and the United States, where it is an extremely rare epicene name. Measured by absolute frequency, it most frequently occurs in Sudan, India, and Saudi Arabia. More prevalently, Regat is the last name as well as the forename.