List of Portuguese monarchs

King of Portugal and the Algarves
Former Monarchy
Royal Coat of Arms of Portugal
Manuel II, last King of Portugal
First monarch	Afonso I
Last monarch	Manuel II
Style	His Most Faithful Majesty
Official residence	Royal residences in Portugal
Monarchy started	25 July 1139
Monarchy ended	5 October 1910

This is a list of Portuguese monarchs who ruled from the start of the Kingdom of Portugal, in 1139, to the start of the Portuguese Republic with the 5 October 1910 revolution.

During the 800 years, the kings had different titles and pretensions. Two kings of Portugal, Ferdinand I and Afonso V, is also the Crown of Castile. When the House of Habsburg took over, the kings of Spain, Naples, and Sicily also became kings of Portugal. The House of Braganza also had royalty outside Portugal, including King of Brazil.

Different royal families have ruled Portugal. These houses are:

• House of Burgundy (1139–1383)
• House of Aviz (1385–1581)
• House of Habsburg (1581–1640)
• House of Braganza (1640–1910)