Infante Manuel, Count of Ourém, KGF (Portuguese pronunciation: [mɐnuˈɛɫ]; Manuel José Francisco António Caetano Estêvão Bartolomeu; (Lisbon, August 3, 1697 - Quinta de Belas, August 3, 1766) was a Portuguese infante (prince), seventh child of Peter II, King of Portugal, and his wife Marie-Sophie of Neuburg. He was the brother of King John V of Portugal.

He was born on August 3, 1697 in Lisbon and died unmarried and without issue at the Quinta de Belas in the same city on the same day in 1766. He is buried at the Royal Pantheon of the Braganza Dynasty in Lisbon.

Manuel led an adventurous life. At the age of 18, he embarked in secret on an English ship with destination the Netherlands. Ordered by his brother King John V of Portugal to return home, he disobeyed and went to Paris and then to Germany.

On August 1, 1716, he offered his services to Prince Eugene of Savoy, to fight the Turks in Hungary. There he fought 4 days later in the Battle of Petrovaradin where he was slightly wounded but covered with glory. He also participated in the pursuit of the fleeing Turks and the siege and capture of Timişoara.

In 1717, now officially in the Austrian army, he again fought under Prince Eugen and participated in the conquest of Belgrade.

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