← 1810 1809 1808 1811 in Portugal → 1812 1813 1814
Centuries:	17th 18th 19th 20th 21st
Decades:	1790s 1800s 1810s 1820s 1830s
See also:	List of years in Portugal

Events in the year 1811 in Portugal.

Incumbents

• Monarch: Mary I

Events

• 11 March – Battle of Pombal
• 12 March Battle of Redinha
• 14 March – Battle of Casal Novo
• 25 March – Battle of Campo Maior
• 3 April – Battle of Sabugal
• 14 April–10 May – Blockade of Almeida

Arts and entertainment

Sports

Births

• 27 January – João Crisóstomo de Abreu e Sousa, prime minister (died 1895)

• 4 June – Antonia Ferreira, businesswoman, known for leadership in the cultivation of port wine and for winemaking innovations (d. 1896).^[1]

Deaths