1855 in Portugal

Incumbents

• Monarch: Peter V
• Prime Minister: João Carlos Saldanha de Oliveira Daun, 1st Duke of Saldanha

Arts and entertainment

• O Pobre Rabequista, oil painting by José Rodrigues.

Sports

• Oporto Cricket and Lawn Tennis Club founded

Births

• 14 February - João Franco, politician.
• 13 March - António Osório Sarmento de Figueiredo Jr., nobleman, jurist, politician and magistrate..
• 28 April José Malhoa, painter.
• 23 September – Abel Botelho, diplomat, writer and military officer.

Full date missing

• Amélia dos Santos Costa Cardia, physician.