Carlos Castellan (born 8 February 1962) is a former professional tennis player from Argentina.

[2] Also that year, he made the Orange Bowl final, which he lost to Joakim Nyström.

He also represented his country at Davis Cup level, once, in 1982, when he lost a singles rubber to Hans-Dieter Beutel of West Germany.

[4] At the French Open two years later, Castellan defeated fellow qualifier Simon Youl, but again fell in the second round, this time to Harold Solomon, in four sets.

[4] When he returned to the Dutch Open in 1984 he had his best-ever Grand Prix showing, making the semi-finals.