- Oumoumati
- Lovely Emoticons Game!
- Oups-app
- Our Baby Countdown
- Our Bingo - Video Bingo
- Our Church
- Our Craft
- Our Day: Wedding Planner
- BlogsVille
- Our family portrait!
- Our Life
- Our Slots - Casino
- Our Story 2
- Latter Daily
- OUR TV 78
- OUR TV 78.
- Our Vegas - Casino Slots
- Our Wedding Countdown
- Ouroboros: Infinity puzzle
- Our Wedding Countdown
- Ouroboros: Infinity puzzle
- OurPhoto - keep our memories
- OurScoreSheet
- Out & Proud
- Out and About DeKalb County IL
- Out of Africa Wildlife Park
- UCI MTB World Series Leogang
- Out of Bounds Radio
- Out of Brakes - Endless Racer
- Out of Love
- Out of Pocket: Party Game
- Out Of The Way TV
- DonorTown (formerly Out On Us)
- Outa Time
- Outa: Meditation & Sleep
- Outadebox Radio
- OutApp - hookup, casual dating