1857 in Portugal

Events in the year 1857 in Portugal.

Incumbents

 * Monarch: Peter V
 * Prime Minister: Nuno José Severo de Mendoça Rolim de Moura Barreto, 1st Duke of Loulé

Births

 * 6 March – Manuel Maria Coelho, military officer and politician (died 1943)
 * 5 May – António Teixeira de Sousa, medical doctor and politician (d. 1917).