← 1748 1747 1746 1749 in Portugal → 1750 1751 1752
Centuries:	16th 17th 18th 19th 20th
Decades:	1720s 1730s 1740s 1750s 1760s
See also:	List of years in Portugal

Events in the year 1749 in Portugal.

Incumbents

• Monarch: John V

Events

• Pope Pope Benedict XIV gave John V of Portugal the title "His Most Faithful Majesty"^[1]

Births

• 29 September – Catarina de Lencastre, Viscountess of Balsemão, noblewoman, poet and playwright (d. 1824).^[2]

Deaths

• 29 May – Jaime Álvares Pereira de Melo, 3rd Duke of Cadaval, nobleman and statesman (b. 1684).