Luis Díaz may refer to:
Academics Luis Díaz Viana (born 1951), Spanish anthropologist Luis A. Diaz, American oncologist Luis Manuel Díaz Beltrán (Luis M. Díaz; born 1972), Cuban herpetologist
Arts and entertainment Luis Días (composer) (1952–2009), Dominican composer and musician also known as "El Terror" Cipha Sounds (born 1976), stage name of American radio and television personality Luis Diaz
Politicians Luis Diaz (politician), American politician, New York State Assembly member Luis Díaz Alperi (born 1945), Spanish politician, mayor of Alicante Luis Diaz Colon (born 1952), Puerto Rican politician, mayor of Yabucoa
Sportspeople Association football Luis Díaz (Costa Rican footballer) (born 1998), Costa Rican football midfielder Luis Díaz (footballer, born 1997), Colombian football winger (Bayern Munich, Colombia national team) Luis Díaz (footballer, born 2004), Colombian football forward (Envigado) Luis Díaz (Spanish footballer) (born 1995), Spanish football midfielder
Other sports Luis Díaz (cyclist) (1945–2021), Colombian Olympic cyclist Luis Díaz (baseball) (1971–2014), Cuban pitcher in Cuban National Series Luis Díaz (racing driver) (born 1977), Mexican auto racing driver Luis Díaz (volleyball) (born 1983), volleyball player from Venezuela Luis Díaz Alperi (born 1986), Mexican professional tennis player