1641 in Portugal

← 1640 1639 1638 1641 in Portugal → 1642 1643 1644
Centuries:	15th 16th 17th 18th 19th
Decades:	1620s 1630s 1640s 1650s 1660s
See also:	List of years in Portugal

Events in the year 1641 in Portugal.

• King: John IV

• March 27 - beginning of the 11 month Siege of São Filipe near Angra do Heroismo in the Azores
• June 12 - Treaty of The Hague (1641) is signed in The Hague representatives of the States-General of the Netherlands and by the ambassador of the Kingdom of Portugal
• November 18 - John IV ratifies the treaty of The Hague