São Martinho

São Martinho (Portuguese for "Saint Martin") may refer to the following places:

In Angola

 * São Martinho dos Tigres

In Brazil

 * São Martinho, Rio Grande do Sul
 * São Martinho, Santa Catarina

In Portugal

 * São Martinho das Amoreiras, a parish in the municipality of Odemira
 * São Martinho do Porto, a parish in the municipality of Alcobaça
 * São Martinho de Angueira, a parish in the municipality of Miranda do Douro
 * São Martinho (Alcácer do Sal), a parish in the municipality of Alcácer do Sal
 * São Martinho (Covilhã), a parish in the municipality of Covilhã
 * São Martinho (Seia), a parish in the municipality of Seia
 * São Martinho (Sintra), a parish in the municipality of Sintra
 * São Martinho (Funchal), a parish in the municipality of Funchal, Madeira
 * São Martinho River, a river that is a tributary of the Sado River in Portugal

Other

 * São Martinho, Portuguese Navy galleon
 * São Martinho, one of the world's largest sugarcane processing operations