Nilo Procópio Peçanha was a Brazilian politician who served as seventh president of Brazil. He was governor of Rio de Janeiro (1903–1906), then elected the fifth vice president of Brazil in 1906. He assumed the presidency in 1909 following the death of President Afonso Pena and served until 1910.

The president of Brazil, officially the president of the Federative Republic of Brazil or simply the President of the Republic, is the head of state and head of government of Brazil. The president leads the executive branch of the federal government and is the commander-in-chief of the Brazilian Armed Forces.