A fidalgo was a traditional title in the Portuguese nobility or gentry, related to the Spanish cognate hidalgo.
Fidalgo may also refer to:
People Alfonso Fidalgo (born 1969), Spanish paralympic athlete Álvaro Fidalgo (born 1997), Mexico international footballer Agustín Fidalgo (born 1996), Argentine footballer Ivan Fidalgo (born 1992), Portuguese footballer João Fidalgo (born 1986), Portuguese volleyball player José Fidalgo (born 1979), Portuguese model and actor , Brazilian comedian and actress Matilde Fidalgo (born 1994), Portuguese footballer Miguel Fidalgo (born 1982), better known as just Fidalgo, Portuguese footballer Salvador Fidalgo (1756–1803), Spanish explorer of the Pacific Northwest
Places Fidalgo, Washington, an unincorporated community Fidalgo Island, an island in Skagit County, Washington, United States
Other uses Fidalgo (sternwheeler), a 1920 Puget Sound steam scow Fidalgo River, a river of Piauí, Brazil