Manuel Dionysios Díaz Martínez (1874–1929) was a Cuban fencer who competed in the 1904 Summer Olympics in St. Louis. He was born in Havana and died in Rochester, New York.Javier Ibáñez Díaz is a boxer who competes for Bulgaria.Yaimillie Marie Diaz Colon (b. 2004) is a Puerto Rican Paralympic athlete who competed at the 2024 Paralympics in Paris.Alberto Caroly Abarza Díaz (b. 1984) is a Chilean Paralympic swimmer who competed at the 2024 Summer Paralympics in Paris.Diego López Díaz (b. 1994) is a Mexican Paralympic swimmer who competed at the 2024 Summer Paralympics in Paris.Agustina Antonella Ruiz Díaz (b. 1996) is an Argentinian Paralympic athlete who competed at the 2024 Summer Paralympics in Paris.
I have two other possible interpretations for Díaz: A) "Diez" means "ten" in Spanish. It would have denoted a person who was the tenth child in a family. B) "Dies" means "days" in Latin. This probably indicated that the bearer of the surname made clocks or other devices which told the time.