Ruggiero (pronounced [rudˈdʒɛːro]) is an Italian spelling variant of the name Ruggero, a version of the Germanic name Roger, and may refer to:
As a surname
- Adamo Ruggiero (born 1986), Canadian actor
- Angela Ruggiero (born 1980), American hockey player
- Angelo Ruggiero (1940–1989), Member of the New York City Mafia
- Benjamin Ruggiero (1926–1994), member of the New York City Mafia
- Deb Ruggiero (born 1958), radio personality and politician from Rhode Island
- Giuseppe Ruggiero (born 1993) Italian footballer
- Joseph S. Ruggiero, better known under his stage name Joey Powers (1934–2017), American singer and songwriter
- Paolo Ruggiero (born 1957), Italian general and member of NATO supreme command
- Renato Ruggiero (1930–2013), Italian politician
- Richard S. Ruggiero (1944–2014), New York politician
- Salvatore Ruggiero (1945–1982), New York City Mafia associate and older brother of Angelo Ruggiero
- Vic Ruggiero, musician and songwriter from New York City
As a given name
- Ruggiero (character), character in Ludovico Ariosto's Orlando furioso
- Roger of Lauria, in Italian known as Ruggero or Ruggiero di Lauria (1245–1305), Italian admiral who was commander of the fleet of Aragon
- Ruggiero Giovannelli (1560–1625), Italian composer of the Renaissance and Baroque eras
- Ruggiero Leoncavallo (1857–1919), Italian opera composer
- Ruggiero Ricci (1918–2012), Italian-American violin virtuoso
- Ruggiero Rizzitelli (b. 1967), Italian football who played in Germany
Other
- Torre di Ruggiero, a comune and town in the province of Catanzaro in the Calabria region of Italy
- Ruggiero (music), a musical scheme which is at times harmonic and at times melodic
- La liberazione di Ruggiero, a 1625 comic opera by Francesca Caccini
- Ruggiero, an opera by Johann Adolf Hasse (1771)
- Ruggiero, a character in the opera Alcina of Georg Friedrich Händel.