| Guglielmo Gonzaga | |
|---|---|
 Guglielmo Gonzaga, Duke of Mantua | |
| Duke of Mantua and Montferrat | |
| Reign | 22 February 1550 - 14 August 1587 |
| Predecessor | Francesco III Gonzaga |
| Successor | Vincenzo I Gonzaga |
| Born | 24 April 1538 Mantua, Duchy of Mantua |
| Died | 14 August 1587 (aged 49) Goito, Duchy of Mantua |
| Spouse | |
| Issue | |
| House | Gonzaga |
| Father | Federico II Gonzaga, Duke of Mantua |
| Mother | Margaret Palaeologina |
Guglielmo Gonzaga (24 April 1538 – 14 August 1587) was Duke of Mantua from 1550 to 1587, and of Montferrat from 1574 to 1587. He was the second son of Federico II Gonzaga, Duke of Mantua and Margaret Palaeologina of Montferrat.[1] In 1574, Montferrat was elevated to a Duchy and Guglielmo became its first duke. He was succeeded as Duke of both duchies by his son Vincenzo.
- ^ Parrott 1997, p. 22.