- Oviedo City Church
- Ovil - editor de fondos
- Ovis
- OVO
- OVO Smart
- OVU 公寓
- Ovulation App Period Tracker
- Ovulation Period Tracker
- OVU园区通
- Ovvy - The Service Marketplace
- OwassoApp
- Owatch
- Owatonna Live
- Oway Travel
- Owensboro Christian Church
- OWGCC
- Owl - Once Was Lost
- Adult Color Therapy Pages for Anti-Stress Relief
- OWL Intuition
- Owl Square
- Owl Weather
- Owlet
- OwlMakeItSnappy
- Owls - Descontos em Eventos
- OwlSight - Видеонаблюдение
- OwlSight Camera Phone
- Own Look
- Own-Kind
- Ownant
- Owner's App
- OwningNY
- OwnLife
- OWNR by RENOSY(オーナーバイリノシー)
- OwnRecipe
- Ownself Check Ownself
- OWON Multimeter BLE
- OWrite
- OWS
- OWT Boutique Travel
- OWWWL Delight
- Oxalis Osteopathy
- Oxana Salon
- Oxalis Osteopathy
- Oxana Salon
- Oxbow Country Club
- OX G8TS
- Oxford American
- Oxford Baptist Church App
- Oxford County Library Mobile
- Oxford One Spa
- Oxford Properties Fitness
- Oxford SU
- Oxford Travel Expert Guides
- Oxfordshire Libraries
- Oxi tracker
- OXMOX - Hamburgs StadtMagazin
- Oxygen Beauty
- OXYGEN CHURCH
- Oxygen Studio
- OXYGYM
- OXYGYM+
- OXYTY