- Oh Yeah (Ft. Pharrell Williams) prod. by Pharrell Williams
- Oh Yeah (2012) (Ft. Trey Songz) prod. by Just Blaze
- Once Upon a Time
- On Doe, On Phil (Ft. Trae tha Truth) prod. by DJ Toomp
- One Blood (Dirty South Remix) by The Game (Ft. Bun B, Chamillionaire, Junior Reid, Lil Wayne, Pitbull, Rick Ross, Slim Thug, Twista & Young Dro) prod. by Danny "D-Roc" Collington & Reefa
- One More by Ne-Yo prod. by Glass John
- Only N Atlanta by Hustle Gang (Ft. Jeezy & Shad da God) prod. by Cardo
- On Purpose (Ft. Shad da God & Trouble) prod. by Mex Manny
- On the Bible by Tech N9ne (Ft. Zuse) prod. by Seven
- On the Hood (Ft. 42 Dugg & Mozzy) prod. by Amadeus, Benjamin Lasnier, DiMuro & LukasBL
- On The Scene by Chip (Ft. Jeezy) prod. by DJ Spinz
- On Top Of The World (Ft. B.o.B & Ludacris) prod. by Nard & B
- Out My Face by Bankroll Mafia (Ft. London Jae, Shad da God & Young Thug) prod. by Isaac Flame
- Out of My Mind by B.o.B (Ft. Nicki Minaj) prod. by Billboard (Producer) & Dr. Luke
- Outro prod. by DJ Toomp
- Pac's Life by 2Pac (Ft. Ashanti) prod. by L.T. Hutton
- Pac's Life Remix by 2Pac (Ft. Ashanti, Chris Starr & Snoop Dogg) prod. by L.T. Hutton
- Pain (Ft. London Jae) prod. by Nottz
- Pantone Blue (Ft. Alec Beretz) prod. by Alec Beretz, DJ SIDEREAL & Thomas Nielsen
- Paperwork (Ft. Pharrell Williams) prod. by Pharrell Williams