Tags: Given Name, Name.
Diego is a Spanish masculine given name.It derives from a re-analysis of Sant Yago (Saint Jacob) viz. in reference to Saint James the Greater re-analysed as San Diego. In today’s Spanish-speaking countries Diego and Santiago are common as given names; Diego Santiago and Sandiego are found as surnames. The forms Tiago Thiago Diago and Diogo are seen mostly in Portuguese speaking (lusophone) countries.