Giovanni I Participazio | |
|---|---|
 | |
| 12th Doge of Venice | |
| In office 829–836 | |
| Preceded by | Giustiniano Participazio |
| Succeeded by | Pietro Tradonico |
| Personal details | |
| Born | Unknown |
| Died | 837 |
| Spouse(s) | Felicita (m 827–830) |
Giovanni I Participazio (or Particiaco) (died 837) was the tenth (historical) or twelfth (traditional) Doge of Venice from the death of his brother in 829 to his arrest and deposition in 836.