Monte Carmelo Castillo (June 8, 1958 – November 15, 2015) was a Dominican outfielder in Major League Baseball who played for the Cleveland Indians and Minnesota Twins.

Signed as a free agent by the Philadelphia Phillies in 1978, Castillo was taken by the Indians on December 5 of that year in the Rule 5 Double-A draft.

He would begin 1983 with Charleston before his promotion to the Major Leagues, his debut coming on July 17, 1982 in Cleveland against the California Angels.

[2] Castillo would spend some time in the 1983 season back at Triple-A Charleston, with multiple promotions to the Indians.

Castillo would spend some time at Triple-A Maine in 1985, while also appearing in 67 major league games that year.