| Nádia Santolli | No Amor De Deus | — | 69 | Gospel | AB Records | 2001 |
| Nádia Santolli | Um Só Coração | — | 70 | Gospel | AB Records | 2001 |
| O DA ADDIC ft. Bounce On Deck | #GMGP | — | 80 | Urban | Vindio/Street Scholar/Bungalo/Universal | 2014 |
| O Rappa | Instinto Colectivo | — | 105 | — | Warner Latina | 2009 |
| O Rappa | Mar De Gente | — | 109 | Rock | Warner Latina | 2010 |
| O Rappa | Monstro Invisivel | — | 87 | — | Warner Brazil | 2010 |
| O'Neal , Shaquille Feat Peter Gunz & Public Announcement | Make This A Night To Remember | — | 103 | — | T.w.is.m/a&m Records | 1998 |
| O'Neal , Shaquille Feat. Peter Gunz | The Way It's Goin' Down (twism For Life) | — | 100 | — | Twism/a&m Records | 1998 |
| O'Neal McKnight ft. Greg Nice | Check Your Coat | — | 112 | — | SRC/Universal | 2008 |
| O'Neal, Shaquille w/ Biggie Smalls | Still Can't Stop The Reign | — | 89 | — | T.w.ism./interscope Records | 1996 |
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| O'Neal, Shaquille w/ Ice Cube & ... | Men Of Steel | — | 84 | Hip-Hop | Qwest Records | 1997 |
| O'Ryan | Take It Slow | — | 164 | Urban | T.U.G. Universal | 2004 |
| O'So Krispie ft. King Official | Slumber Party | — | 112 | Top 40 | Bliss | 2008 |
| O'Spada | Let Go | Devil's Gun Remix | 128 | — | Despotz | 2010 |
| O'Spada | Pay Off | Sam Sparro & Golden WERQ Remix | 122 | — | Despotz Records | 2010 |
| O'cean Hill | So Beautiful | — | 75 | Dancehall | Feel Good | 2013 |
| O-Zone ft. Lucas Prata | Dragosta Din Tei (Ma Ya Hi) | Valentin Remix Club Version | 137 | — | Ultra | 2004 |
| O.A.R. | Gotta Be Wrong Sometimes | Quick Edit | 94 | — | Wind-Up | 2012 |
| O.A.R. | Gotta Be Wrong Sometimes | — | 94 | — | Wind-Up | 2012 |
| O.A.R. | Heaven | — | 80 | Top 40 | Wind-Up | 2011 |
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| O.A.R. | I Go Through | — | 103 | Top 40 | Vanguard/Concord | 2016 |
| O.A.R. | Knocking At Your Door | — | 90 | Pop | — | 2019 |
| O.A.R. | Knocking At Your Door | PO Quick Edit | 90 | Pop | PO Quick Edit | 2019 |
| O.A.R. | Knocking At Your Door | PO Intro Edit | 90 | Pop | PO Intro Edit | 2019 |
| O.A.R. | Love & Memories | — | 122 | Rock | Everfine Lava | 2005 |