← 1877 1876 1875 1878 in Portugal → 1879 1880 1881
Centuries:	17th 18th 19th 20th 21st
Decades:	1850s 1860s 1870s 1880s 1890s
See also:	List of years in Portugal

Events in the year 1878 in Portugal.

Incumbents

• Monarch: Louis I
• Prime Minister: António José de Ávila, 1st Duke of Ávila and Bolama (until 26 January); Fontes Pereira de Melo (starting 26 January)

Events

• 13 October – Portuguese legislative election, 1878

Arts and entertainment

Sports

Births

• 6 April – Carolina Beatriz Ângelo, physician (died 1911)
• 8 October – Walther Katzenstein, sports rower (died 1929).^[1]
• 9 November – Álvaro de Castro, politician (died 1928)

Deaths

• 6 October – Daniel da Silva, mathematician (born 1814)