Sernancelhe (Portuguese pronunciation: [sɨɾnɐ̃ˈsɐʎɨ] ) is a municipality in the district Viseu, Portugal. The population in 2011 was 5671, in an area of 228.61 km.

The present mayor is Carlos Silva Santiago, elected by the Social Democratic Party. The municipal holiday is May 3.

Parishes

The municipality is composed of 13 parishes:

• Arnas
• Carregal
• Chosendo
• Cunha
• Faia
• Ferreirim e Macieira
• Fonte Arcada e Escurquela
• Granjal
• Lamosa
• Penso e Freixinho
• Quintela
• Sernancelhe e Sarzeda
• Vila da Ponte

Notable people

• João Rodrigues Tçuzu (1561/2 – 1633/4) soldier, interpreter and priest; known for his early linguistic works on Japanese; introducing western science and culture to Korea
• Francisco de Soveral (ca.1565 – 1642) a Portuguese prelate; 9th Bishop of São Tomè and the 5th Bishop of Angola and Congo, 1627 to 1642.
• Aquilino Ribeiro (1885–1963) a writer and diplomat; nominated for the Nobel Prize for Literature in 1960 for his novels