Henry I | |
|---|---|
| Archbishop of Mainz | |
| Church | Catholic Church |
| Diocese | Electorate of Mainz |
| In office | 1142–1153 |
| Personal details | |
| Born | c. 1080 |
| Died | 1/3 September 1153 |
Henry, in German Heinrich (c. 1080 – 1/3 September 1153), was the archbishop of Mainz from September 1142 until his deposition in June 1153.