Cognomen Sōl (Sol 
, Sul , Solé 
) , all over the world, is a common surname. The cognomen Sōl is characteristic of El Salvador, where it is quite a common surname, Andorra, and Guatemala (explore the name in all countries). Measured by absolute frequency, this name is the most popular in India, Spain, and Mexico. Likewise, Sōl is the forename as well as the last name.