Ricardo is the Spanish and Portuguese cognate of the name Richard. It derived from Proto-Germanic *rīks 'king, ruler' + *harduz 'hard, brave'. It may be a given name, or a surname. People. Given name. Ricardo de Araújo Pereira (born 1974), Portuguese comedian. Ricardo Arjona (born 1964), Guatemalan singer. Ricardo Arona (born 1978), Brazilian mixed martial artist. Ricardo Ávila (born 1997), Panamanian footballer. Ricardo Bierhals (born 1990), Brazilian footballer. Ricardo Bralo (born 1916), Argentine long-distance runner. Ricardo Bombine Pimentel (born 1978), Brazilian musician.
https://en.wikipedia.org/wiki/Ricardo