Otto I | |
|---|---|
| Count of Salm | |
| Born | c. 1080 |
| Died | 1150 (aged 69–70) |
| Noble family | House of Salm |
| Spouse(s) | Gertrude of Northeim |
| Father | Hermann of Salm |
| Mother | Sophia of Formbach |
Otto I, Count of Salm (c. 1080 – 1150) was a German nobleman. He was a ruling count of Salm and from 1125 to 1137, he was co-ruler of the County Palatine of the Rhine with his stepson William.