Senator Fernández may refer to:
Argentina (Chamber of Senators) Anabel Fernández Sagasti (born 1984) Aníbal Fernández (born 1957) Graciela Fernández Meijide (born 1931) Nicolás Fernández (politician) (born 1958)
Bolivia (Chamber of Senators) Percy Fernández (1939–2025)
Chile (Senate of the Republic) Sergio Fernández Fernández (1939–2024) Sergio Fernández Larraín (1909–1983)
Dominican Republic (Senate of the Republic) Jaime David Fernández Mirabal (born 1956)
Guam (Legislature of Guam) Carmen Fernandez ()
Mexico (Senate of the Republic) Diego Fernández de Cevallos (born 1941) Francisco Fernández de Cevallos (born 1947) Gerardo Fernández Noroña (born 1960) Juan Fernández Albarrán (1901–1972) Mauricio Fernández Garza (1950–2025) Mónica Fernández Balboa (born 1966)
Paraguay (Chamber of Senators) José Félix Fernández Estigarribia (born 1941)
Philippines (Senate of the Philippines) Ramón J. Fernández (1878–1964)
Spain (Senate of Spain) Francisco Fernández de Béthencourt (1850–1916) Guillermo Fernández Vara (1958–2025) Jesús Fernández Vaquero (1953–2021)