Last name 西泽 (Cesar 
, Caesar , 西泽 
) , in the world, is a widespread cognomen. The cognomen 西泽 is habitual in Latin America and the Caribbean, particularly Mexico, where it is a common surname, Honduras, and Nicaragua (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Mexico, Spain, and Venezuela. Also, 西泽 is the forename as well as the last name.