Michael Quintero Aguilar (Spanish pronunciation: [ˈmajkol kinˈteɾo aɣiˈlaɾ];[2][3] born July 11, 1980)[1] is a Colombian professional tennis player.

Quintero reached a career high ATP singles ranking of world No,.

He also reached a career high ATP doubles ranking of world No.

Quintero won eight tournaments in Colombia, Jamaica and Cuba.

Quintero represented Colombia in Rio 2007 Pan American Games where he got to the semifinals where he lost against Chilean Adrián García, then Quintero lost the bronze medal match against Argentine Eduardo Schwank.