Abel Fontoura da Costa (9 December 1869 – 7 December 1940) was a Portuguese colonial administrator, a military officer, a politician and a scientist.He attended the Royal Military College and enlisted into the Navy in 1887.
His highest rank was Captain.
In 1901, he took part in a commission that marked the boundary between Portuguese Angola and Congo Free State.
He was governor of Cape Verde from 11 September 1915 until 9 March 1918.
He was Minister of Agriculture in 1923, in the government of António Maria da Silva.
He was the director of the Escola Náutica from 1936 to 1959.He received the following decorations:
Commander of the Military Order of Avis of Portugal (11 March 1919)
Grand Officer of the Military Order of Avis of Portugal (19 October 1920)