Surname Ադելաիդա (Adelaide 
, Ադելաիդա) , throughout the world, is quite a common cognomen. The family name Ադելաիդա is habitual in Seychelles, where it is quite a common surname, Martinique, and Mauritius. Measured by absolute frequency, it is commonest in France, Indonesia, and Ghana. More prevalently, Ադելաիդա is the forename as well as the last name.