Juan Bautista Morillo (born November 5, 1983) is a Dominican former professional baseball pitcher.

While playing with the Double-A Tulsa Drillers in 2007, Morillo had a record of 6–4 in 57.1 innings pitched, with 59 strikeouts and 2.35 ERA.

He was claimed off waivers by the Minnesota Twins on April 17, 2009, replacing Philip Humber who was designated for assignment.

On November 17, 2009, Morillo signed to play with the Tohoku Rakuten Golden Eagles of the Japanese Pacific League.

In November 2015, he was selected to the roster for the Dominican Republic national baseball team at the 2015 WBSC Premier12.