Ravelo Manzanillo Adams (born October 17, 1963) is a former Dominican pitcher in Major League Baseball.

Manzanillo played with the Chicago White Sox and Pittsburgh Pirates over parts of three seasons spanning 1988–1994.

Manzanillo posted a 4–3 record with a 4.43 earned run average in 53 games for the White Sox and Pirates.

He also spent 18 seasons in the Minor Leagues from 1981 to 2005, including stints in the Korea, Taiwan and Mexico baseball circuits.

This biographical article relating to a Dominican Republic baseball pitcher is a stub.