Rio (surname)
Rio is a surname which may refer to:
- Al Rio, Brazilian comic book artist
- Alexis-François Rio, French author and art critic
- Frank Rio, Co-founder and crime boss of the Chicago Outfit
- Michel Rio, French writer and novelist
- Michel Rio (footballer), French former footballer
- Neiphiu Rio, Indian politician
- Patrice Rio, former French footballer
- Ricardo Rio, is a Portuguese economist and politician, current mayor of Braga
- Rui Rio, Is a Portuguese economist and politician, was Mayor of Porto
- Theja Rio, Indian filmmaker
- Zhaleo Rio, 21st century Indian politician, brother of Neiphiu Rio