Odgar | |
|---|---|
| Archbishop of Mainz | |
 Rabanus Maurus (left), supported by Alcuin (middle) presents his work to Archbishop Otgar of Mainz (right) | |
| Church | Catholic Church |
| Diocese | Electorate of Mainz |
| In office | 826–847 |
| Personal details | |
| Died | 21 April 847 |
Otgar (died 21 April 847), also spelled Odgar or Otger, was the archbishop of Mainz from 826 until his death.