| Orquesta Tabaco Y Ron | Tu De Bruja No Tienes Na'! | — | 97 | — | Dimelo Records! | 2006 |
| Orquesta Tamarindos | Amor De Novela | — | 125 | Merengue Mambo | Cuaima | 2011 |
| Orquesta Tamarindos ft. Jose Alberto 'El Canario', Vakero & Nakor | Amiga | — | 90 | Salsa | Orquesta Tamarindos, S.C.L. | 2013 |
| Orquesta Tamarindos ft. Kalimete | Baila Como Quieras | Remix | 62 | Merengue Mambo | Suenos | 2012 |
| Orquesta Urbana ft. Charlie Hernandez | Eres Tan Linda | — | 97 | Salsa | — | 2019 |
| Orquesta Urbana ft. Diego Gale & Carlito Garcia | Somos Infieles | — | 91 | Salsa | — | 2019 |
| Orquestra Greiosa | Última Hora | — | 165 | International | Dosol | 2018 |
| Osaka Popstar | Fish Heads | — | 83 | Rock | — | 2018 |
| Osaka Popstar | Wicked World | — | 173 | Rock | Caf Muzeck/Misfits | 2011 |
| Oscar De Rivera Vs. Circus Night | Mesala | Boncho Remix | 125 | Tribal | Stereo Productions | 2002 |
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| Oscar G ft. Tamara Wallace | Back To You | Friscia & Lamboy Radio Edit | 128 | — | Nervous | 2009 |
| Oscar G. ft. Tamara Wallace | Your Love | Jaimy Mix | 125 | — | Nervous | 2010 |
| Oscar Rubio Y Su Banda Canela | Ay! Chabela | — | 147 | — | Musart/Balboa | 2007 |
| Osmani Garcia & Redboy ft. La Musa & Adonis MC | Este Verano Es Mio | — | 100 | — | Rock The Moon | 2017 |
| Osmani Garcia ft. Elvis Crespo | Sacudete La Arena | — | 129 | — | Osmani Garcia | 2016 |
| Osmani Garcia ft. Justin Quiles & Fuego | Baila Toma | — | 100 | — | Rock The Moon | 2017 |
| Osmani Garcia ft. Pitbull, Sensato & La Musa | El Taxi | — | 95 | — | Mr. 305/Planet | 2015 |
| Ospina & Oscar P ft. Mascari | See U Coming | Davidson Ospina Dub Remix | 127 | — | Ospina Digital | 2009 |
| Ospina Featuring Andricka Hall | Me Without You | M.a.s. Collective Stormy Night Flight 837 Vocal Mix | 129 | House | Definity | 2001 |
| Ossia & Einhorn | La Fee | Guy Gerber Remix | 128 | — | Whoop! | 2002 |
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| Osskar Lobbo Presenta Climax | El Tembleque | Original | 170 | — | Balboa | 2005 |
| Osunlade ft. Nadira Shakoor | Love Song | The Club Mix | 120 | — | Yoruba Records | 2007 |
| Otia Redding | 634-5789 | — | 112 | Soul | — | — |
| Otra Nota | Arrepentida | — | 90 | Reggaeton | Mock & Roll | 2006 |
| Outsiders ft. Amanda Wilson | Keep This Fire Burning | — | 128 | — | Ultra | 2009 |