| Nuno Álvares Pereira de Melo | |
| Duke of Cadaval Marquis of Ferreira Count of Tentúgal | |
| Birth Date: | 4 November 1638 |
| Death Date: | 29 January 1725 |
| Mother: | Joana Pimentel |
| Spouse: | Maria de Faro Maria Angélica Henriqueta of Lorraine Marguerite of Lorraine |
Nuno Álvares Pereira de Melo, 1st Duke of Cadaval, 4th Marquis of Ferreira, 5th Count of Tentúgal (4 November 1638 - 29 January 1725), was a Portuguese nobleman and statesman.
Nuno was a general in the Portuguese Restoration War, which earned him prestige and achieved himself the title of Duke of Cadaval. Following the end of the war, he was made Constable of Portugal in the Portuguese Cortes of 1668.
In June 1670, Nuno became a member of the, an administrative organ of the Portuguese Empire.
In 1707, the Duke was made chief of the Portuguese army.
He first married Maria de Faro, daughter of Francisco de Faro, 7th Count of Odemira.[1] His second wife was Princess Marie Angélique of Lorraine-Harcourt, daughter of François Louis, Count of Harcourt. His third marriage was to Princess Marguerite of Lorraine-Armagnac (17 November 1662 – 16 December 1730), daughter of Louis, Count of Armagnac. He was grandfather to Leonor Tomásia de Távora, 3rd Marquise of Távora.