Cognomen オルネラ (Ornella 
, オルネラ) , throughout the world, is quite a common family name. The cognomen オルネラ is habitual in Sub-Saharan Africa, particularly Cameroon, where it is quite a rare surname, Mauritius, and Gabon. Not in comparison with a country's population, it is commonest in Cameroon, Argentina, and Italy. Much more frequently, オルネラ is the forename as well as the last name.