| William I of Geneva | |
|---|---|
| Spouse(s) | Marguerite Beatrice de Faucigny Agnes of Savoy Beatrice de Vaupergue |
| Father | Amadeus I of Geneva |
| Mother | Matilda de Cuiseaux |
| Born | c. 1132 |
| Died | 25 July 1195 Château de Novel in Annecy |
William I of Geneva (c. 1132 – 25 July 1195) was Count of Geneva from 1178 to 1195, in succession to his father, Count Amadeus I of Geneva. William's mother was Amadeus' wife, Matilda de Cuiseaux.
He died at the Château de Novel in Annecy.