Manuel de Oliveira Gomes da Costa (14 January 1863 – 17 December 1929) was a Portuguese army officer and politician who served as president of Portugal in 1926. He was the second president of the Ditadura Nacional.
Gomes da Costa had a distinguished military career in the country's colonies, from 1893 to 1915, in India, Mozambique, Angola, and São Tomé, having served under the command of Mouzinho de Albuquerque.