Family name קורנליוס (Cornelius 
, Cornelis 
, קורנליוס 
) , across the world, is a common cognomen. The cognomen קורנליוס is characteristic of Guernsey, where it is a common surname, Antigua and Barbuda, and Belgium, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in the United States, Nigeria, and Indonesia. Likewise, קורנליוס is the forename as well as the last name.