Narciso Horácio Doval (4 January 1944 - 12 October 1991) was an Argentine football player.
Known by is nickname El Loco Doval, he was born in Buenos Aires. Playing in the hole, as a winger or as a forward, Doval was a success. He had good technical ability, and could score and create opportunities for a centre forward. His style made him an idol in every club he played for, but especially in Rio de Janeiro rivals Flamengo and Fluminense. He scored 95 goals in 263 matches for Flamengo, and 68 goals in 142 matches for Fluminense. Zico said that he was one of the best attacking partners he ever had. Doval participated in Garrincha's farewell match at the Maracanã Stadium in 1973. In 1980, he played a single season with the Cleveland Cobras and New York United in the American Soccer League. He was traded from Cleveland in mid-season for American-born Joey Fink.
In 1991, after winning a Supercopa Libertadores match against Estudiantes de la Plata, Flamengo's players met Doval and they went together to a night club in Buenos Aires. During the celebration he suffered a fatal heart attack at age 47.