Cognomen Guerson (Guerson 
, Герсон 
) , around the world, is a rare surname. The cognomen Guerson is habitual in Latin America and the Caribbean, particularly Haiti, where it is quite a rare surname, the Dominican Republic, where it is a rare surname, and Mexico. In absolute terms, it is the most numerous in Latin America and the Caribbean, particularly Brazil, Mexico, and Haiti. Also, Guerson is the forename as well as the last name.