Nico is the given name, and is also used as a shortened form of the name Nicholas (particularly in Italian, Spanish and French, but also occasionally in English), Domenico and Dominic. It means Victorious People.
People who have this given name include:
Dr Nico Kasanda (1939-1985), guitarist and composer
Nico Naldini (born 1929), Italian novelist, poet, and film director
Nico Pulzetti (born 1984), Italian football (soccer) midfielder
Nico Pepe (1917-1987), Italian film actor
Nico Perrone (born 1935), Italian journalist
Nico Colaluca (born 1986), American professional soccer player
Nico Assumpção (1954-), Brazilian bass player
Nico Covatti (born 1988), Italian-Argentine professional motorcyclist
Nico Casavecchia (born 1981), Argentine film director
Nico Fidenco (born 1933), Italian singer
Nico Vascellari (born 1976) Italian artist and musician
Nico Hülkenberg (born 1987), Formula One driver for Force India
Nico Jalink (born 1964), Dutch football player
Nico Landeweerd (born 1954), Dutch water polo player
Nico Mirallegro (born 1991), British actor
Nico Motchebon (born 1969), German runner
Nico Muhly (born 1981), American contemporary classical composer
Nico Nyberg (born 1993), Finnish ice hockey player
Nico Rosberg (born 1985), Formula One driver for Mercedes, and son of Keke Rosberg
Nico Vaesen (born 1969), Belgian football player
Nico Verhoeven (born 1961), Dutch cyclist
Prince Nico Mbarga (1950-1997), musician
In fiction:
Nico Toscani, character in Above the Law
Nico Bellic, the player character in Grand Theft Auto 4
Nico Collard, a main character in the Broken Sword series
Nico Minoru, a comic character who briefly went by the moniker "Sister Grimm" in Runaways
Nico Reilly, a lead character in the TV series Lipstick Jungle
Nico Robin, a manga character from One Piece
Nico Slater, a character in the TV series Ugly Betty
Nico di Angelo, a son of Hades in the Percy Jackson and the Olympians and the Heroes of Olympus series by Rick Riordan
Nico Kanna, a character of Puella Magi Kazumi Magica, a spinoff manga of Puella Magi Madoka Magica.
Nico Yazawa, a character in the mixed media project, Love Live!
Nico, a yellow canary in the film Rio and its sequel Rio 2
Other:
Nico, woman, born Christa Päffgen, singer with The Velvet Underground
Da Nico Ristorante, famous Italian restaurant in Little Italy, New York City
Gelateria Nico, historic ice cream parlor opened in 1935, Venice, Italy