Joaquín Fernández may refer to:
Joaquín Fernández de Portocarrero Mendoza (1681–1760), Spanish cardinal marquis Joaquín Fernández Prida (1863–1942), Spanish lawyer and politician Joaquín Fernández Fernández (1891–1979), Chilean diplomat and politician Joaquín Fernández (swimmer) (born 1971), Spanish swimmer Joaquín Fernández de Piérola Marín (born 1974), Spanish businessman Joaquín Fernández (footballer, born 1996), Spanish footballer Joaquín Fernández (footballer, born 1999), Uruguayan footballer