Mio (surname)
Mio or Mío is the surname of:
- Atsushi Mio, Japanese former footballer
- Chiara Mio, Italian business executive and professor
- Daniel Mio, French politician and teacher
- Eddie Mio, Canadian former National Hockey League goaltender
- Eriberto Arroyo Mío, Peruvian politician
- Giovanni de Mio, Italian painter and mosaicist
- Vangjush Mio, Albanian painter
- Washington Mio, 20th-21st century mathematician