Diego is a Spanish male given name derived from "dieguez," meaning "son of James" or "supporter of James." It originated in Spain, with historical figures like Diego Velázquez and Diego Maradona bearing the name. Traditionally given to boys born on Saint James' Day (July 25th), Diego has gained global popularity through figures such as Mexican actor Diego Luna. While carrying religious significance due to its connection to Saint James, Diego's appeal transcends cultural boundaries.