Michael Quintero Aguilar (; born July 11, 1980) is a Colombian professional tennis player.

Quintero reached a career high ATP singles ranking of world No,. 245, achieved on 12 November 2007. He also reached a career high ATP doubles ranking of world No. 231, achieved on 27 October 2008.

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. He represents Team Colombia while competing in the Davis Cup.

Quintero has reached 28 career singles finals with a record of 10 wins and 18 losses, which includes a record of 0–1 in ATP Challenger Tour finals. Additionally, he has reached 33 career doubles finals with a record of 14 wins and 19 losses, which includes a 1–4 record in ATP Challenger Tour finals.

ATP Challenger and ITF Futures finals

Singles: 28 (10–18) LegendATP Challenger (0–1)ITF Futures (10–17)Finals by surfaceHard (4–5)Clay (6–13)Grass (0–0)Carpet (0–0)

ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Colombia F1, BogotáFuturesClay Juan Pablo Guzmán7–6(8–6), 6–4Loss1–1Colombia F2, BogotáFuturesClay Carlos Salamanca6–7(4–7), 3–6Win2–1Jamaica F2, Montego BayFuturesHard Tres Davis6–3, 2–6. 6–4Loss2–2Venezuela F2, MaracaiboFuturesHard José de Armas6–1, 0–6, 3–6Loss2–3Mexico F15, ObregónFuturesHard Pedro Braga3–6, 4–6Win3–3USA F18, PittsburghFuturesClay Justin Bower4–4 ret.Loss3–4USA F4, BrownsvilleFuturesHard Andres Pedroso1–6, 6–3, 4–6Loss3–5Colombia F1, CaliFuturesClay Júlio Silva2–6, 2–6Loss3–6Colombia F3, MedellínFuturesClay Sebastián Decoud4–6, 5–7Loss3–7USA F16, PittsburghFuturesClay Cătălin-Ionuț Gârd7–6(7–5), 2–6, 2–6Loss3–8Venezuela F1, CaracasFuturesClay Julio César Campozano1–6, 7–6(7–5), 6–7(6–8)Loss3–9Colombia F1, ManizalesFuturesClay Carlos Salamanca4–6, 4–6Win4–9Colombia F2, BucaramangaFuturesClay Carlos Salamanca6–2, 6–3Win5–9Colombia F3, CaliFuturesClay Julio César Campozano6–1, 6–0Loss5–10Colombia F5, PastoFuturesClay Juan Sebastián Cabal3–6, 6–4, 6–7(6–8)Loss5–11Campos do Jordão, BrazilChallengerHard Brian Dabul5–7, 5–7Loss5–12El Salvador F2, La LibertadFuturesClay Nicolás Todero4–6, 6–3, 2–6Win6–12Cuba F2, La HabanaFuturesHard Ricardo Hocevar6–3, 7–5Win7–12Colombia F3, PereiraFuturesClay Julio César Campozano6–1, 6–4Win8–12Colombia F4, BarranquillaFuturesClay Santiago González6–3, 7–6(7–4)Loss8–13Peru F2, LimaFuturesClay Diego Schwartzman2–6, 2–6Loss8–14Colombia F2, MedellínFuturesClay César RamírezwalkoverLoss8–15Colombia F3, CúcutaFuturesClay Alejandro González5–7, 2–6Win9–15Mexico F15, MazatlánFuturesHard Marcelo Arévalo6–1, 6–7(4–7), 1–0 ret.Loss9–16El Salvador F1, Santa TeclaFuturesClay Carlos Salamanca3–6, 3–6Loss9–17Mexico F15, Quintana RooFuturesHard César Ramírez1–6, 1–6Win10–17Mexico F17, Quintana RooFuturesHard Darian King7–5, 0–6, 6–2Loss10–18El Salvador F1, Santa TeclaFuturesClay Éric Prodon7–5, 1–6, 2–6

Doubles: 33 (14–19) LegendATP Challenger (1–4)ITF Futures (13–15)Finals by surfaceHard (4–1)Clay (10–18)Grass (0–0)Carpet (0–0)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Brazil F4, FlorianópolisFuturesClay Guillermo Carry Márcio Carlsson Ricardo Schlachter3–6, 2–6Loss0–2Bolivia F1, La PazFuturesClay Federico Cardinali Sebastián Decoud Sebastian Uriarte2–6, 4–6Loss0–3Colombia F1, BogotáFuturesClay Pablo González Eduardo Bohrer Ricardo Schlachter1–6, 1–6Loss0–4El Salvador F1, San SalvadorFuturesClay Pablo González Benjamin Cassaigne Valentin Sanon6–3, 1–6, 4–6Win1–4Colombia F1A, CaliFuturesClay Mirko Pehar Alejandro Falla Carlos Salamanca6–3, 6–4Win2–4USA F17, WilliamsvilleFuturesClay Gary Lugassy Michael Kosta Aaron Talarico6–2, 6–3Win3–4Colombia F1, CaliFuturesClay Carlos Salamanca Damián Patriarca Diego Hartfield7–5, 6–4Win4–4Bolivia F1, La PazFuturesClay Carlos Salamanca Guillermo Carry Leonardo Tavares7–5, 6–4Loss4–5Colombia F3, CaliFuturesClay Pablo González Lucas Engel André Ghem4–6, 4–6Win5–5Ecuador F3, GuayaquilFuturesClay Brian Dabul Jhonnatan Medina-Álvarez Martín Vilarrubí6–3, 6–4Loss5–6Colombia F6, MedellínFuturesClay Sergio Ramirez Felipe Parada Luciano Vitullo3–6, 5–7Win6–6Mexico F17, LeónFuturesHard Daniel Garza Mikael Ekman Carl-Henrik Hansen3–6, 6–1, 7–6(12–10)Win7–6Panama F1, Panama CityFuturesClay Emiliano Redondi David Brewer Ross Hutchins7–6(9–7), 7–6(7–4)Win8–6USA F7, Little RockFuturesHard Wesley Whitehouse Brendan Evans Scott Oudsema6–4, 6–2Loss8–7Colombia F3, CaliFuturesClay Lucas Engel Jorge Aguilar Daniel Garza3–6, 2–6Loss8–8Colombia F4, BarranquillaFuturesClay Carlos Avellán Jorge Aguilar Daniel Garza6–4, 3–6, 2–6Win9–8Bogotá, ColombiaChallengerClay Daniel Garza Rogério Dutra Silva Martín Vilarrubí7–6(8–6), 6–4Loss9–9Bolivia F2, CochabambaFuturesClay Diego Cristin Juan Sebastián Cabal Alejandro Kon6–7(4–7), 3–6Loss9–10Colombia F4, PereiraFuturesClay Daniel Garza Pablo González Marcel Felder3–6, 4–6Win10–10El Salvador F2, La LibertadFuturesClay Bart Beks Raian Luchici Brad Pomeroy6–3, 0–6, [10–8]Loss10–11Guayaquil, EcuadorChallengerClay Bart Beks Brian Dabul Juan Pablo Guzmán6–7(5–7), 3–6Loss10–12Lima, PeruChallengerClay Martín Vilarrubí Pablo Cuevas Eduardo Schwank4–6, 2–6Win11–12Colombia F2, BucaramangaFuturesClay Carlos Salamanca Juan-Pablo Amado Diego Álvarez6–3, 2–6, [10–8]Loss11–13Bogotá, ColombiaChallengerClay Juan Sebastián Cabal Carlos Salamanca Xavier Malisse1–6, 4–6Win12–13El Salvador F2, La LibertadFuturesClay Carlos Salamanca Jiří Krkoška Vasek Pospisil6–7(8–10), 6–4, [14–12]Win13–13Venezuela F3, MaracaiboFuturesHard Sat Galan Patricio Alvarado Juan-Manuel Romanazzi6–1, 7–5Win14–13Venezuela F6, CaracasFuturesHard Yohny Romero Marcelo Arévalo Christopher Díaz Figueroa6–3, 7–6(7–5)Loss14–14Colombia F3, BarranquillaFuturesClay Daniel Garza Andrés Molteni Gonzalo Tur4–6, 6–7(6–8)Loss14–15Colombia F5, MedellínFuturesClay Daniel Garza Alejandro González Juan Sebastián Cabal1–6, 4–6Loss14–16Quito, EcuadorChallengerClay Fernando Vicente Santiago González Travis Rettenmaier6–1, 3–6, [3–10]Loss14–17Venezuela F1, MaracaiboFuturesHard Miguel Gallardo Valles Robert Farah Juan Sebastián Cabal1–6, 5–7Loss14–18Colombia F1, BogotáFuturesClay Víctor Estrella Burgos César Ramírez Mauricio Echazú4–6, 5–7Loss14–19Colombia F2, MedellínFuturesClay Nicolás Barrientos Duilio Beretta Ariel Behar1–2 ret.

References