| O.G. Black ft. Oneill & Master Joe | Matadora | — | 82 | — | OLE Music | 2005 |
| ODESZA ft. WYNNE & Mansionair | Line Of Sight | — | 90 | Dance | Counter | 2017 |
| OMI ft. AronChupa | Drop In The Ocean | — | 123 | Top 40 | Ultra/Columbia | 2016 |
| OMI ft. Machel Montano | Hula Hoop | Precision Soca Remix - Radio Edit | 128 | — | Ultra | 2016 |
| ONE | Queen Of Rock N' Roll | — | 136 | Rock | One | 2013 |
| ONE DIRECTION | What Makes U Beautiful | — | 125 | Pop | — | — |
| ONE OK ROCK | American Girls | Clean Edit | 79 | Pop | Fueled By Ramen | 2017 |
| ONE OK ROCK | American Girls | PO Clean Edit | 79 | Rock | PO Clean Edit | 2018 |
| ONEDUO & TwoWorldsApart | It's Not You | — | 122 | House | — | 2018 |
| ONEDUO ft. Anthony Flammia | Human | — | 118 | Dance | — | 2019 |
|
| ONLY | Trip Machine | C.T. Mix | 80 | Hardcore | Diverse System | 2004 |
| ONO | Walking On Thin Ice 2013 | Dave Aude Quick Edit* | 128 | Dance | Mind Train | 2014 |
| ONO | Walking On Thin Ice 2013 | Ralphi Rosario Club Radio Edit (Div-A-Matic Re-Edit By Barry Browder) | 128 | — | Mind Train | 2013 |
| ONO | Walking On Thin Ice 2013 | Dave Aude Electro Disco Mix | 128 | — | Mind Train | 2013 |
| ONO | Walking On Thin Ice 2013 | Dave Aude Electro Disco Radio Mix | 128 | Dance | Mind Train | 2013 |
| ONO | Walking On Thin Ice 2013 | Dave Aude Intro Edit | 128 | Dance | Mind Train | 2013 |
| ONO | Walking On Thin Ice 2013 | Dave Aude Electro Disco Club Remix (Danny Morris Remix Video) | 128 | Dance | Mind Train | 2013 |
| ONO | Walking On Thin Ice 2013 | Dave Aude Quick Edit | 128 | Dance | Mind Train | 2013 |
| ONO | Walking On Thin Ice 2013 | Dave Aude Intro Edit* | 128 | Dance | Mind Train | 2014 |
| Obie Trice ft. Akon | Snitch | — | 90 | Urban | Interscope | 2006 |
|
| Of Monsters & Men | Crystals | — | 132 | Alternative | Republic | 2015 |
| Of Monsters & Men | Dirty Paws | — | 114 | — | Universal Republic | 2013 |
| Of Monsters & Men | King & Lionheart | — | 126 | Rock | Universal Republic | 2013 |
| Of Monsters & Men | Little Talks | — | 104 | — | Universal Republic | 2012 |
| Of Monsters & Men | Mountain Sound | Live | 102 | Rock | Universal Republic | 2012 |