Joaquim Alberto Castanheira de Melo (born 11 September 1949) is a Portuguese former footballer who played as a goalkeeper.
Born in Coimbra, Melo appeared in 276 Primeira Liga matches over 15 seasons, representing in the competition C.F.
In 1981–82, he contributed two appearances to help Sporting win the national championship as backup to Ferenc Mészáros.
[1] Melo was in goal during the 1990 Taça de Portugal Final, as Estrela won its first and only trophy after defeating S.C. Farense 2–0 in the replay match.
[2] After 24 games in the following league campaign (the team finished third from bottom and could not avoid relegation), he retired at the age of 41.