Luís Manuel Capoulas Santos (born 22 August 1951) is a Portuguese politician, who served as Minister of Agriculture, Forests and Rural Development.

He worked as a secondary education teacher before taking a position as a technician in the Ministry of Agriculture.

He was first elected to the Assembly of the Republic in 1991, and took office as Minister of Agriculture, Rural Development and Fisheries in 1998, replacing Fernando Gomes da Silva, under whom he was Secretary of State.

He kept the office until 2002, when the government led by António Guterres resigned after a landslide defeat in local elections.

[1] He returned to the Ministry of Agriculture in 2015, after the nomination of António Costa as Prime Minister.