Mercedes Álvarez (born 18 December 1956) is a retired Cuban sprinter who specialized in the 400 metres.
She won the gold medal at the 1974 Central American and Caribbean Junior Championships,[1] the silver medal at the 1981 Central American and Caribbean Championships,[2] the silver medal at the 1982 Central American and Caribbean Games[3] the silver medal at the 1983 Central American and Caribbean Championships,[2] finished sixth at the 1983 Pan American Games.[4] sixth at the 1986 Ibero-American Championships and seventh at the 1988 Ibero-American Championships. She also became Cuban champion.[5]
In the 4 × 400 metres relay she won a gold medal at the 1982 Central American and Caribbean Games, a bronze medal at the 1983 Pan American Games[4] a gold medal at the 1986 Ibero-American Championships, finished fourth at the 1987 Pan American Games[6] and won a bronze medal at the 1988 Ibero-American Championships.