- RONSCHOOL PH
- Rood-Wit
- Roofers Local 210 app
- Rook: Make Friends & Role Play
- Roolet
- ROOM - деловой мессенджер
- Room : your private social network with anonymous rooms
- Room'spot入居者様専用アプリ
- Room8
- RoomClip インテリア・お部屋の写真はルームクリップ
- Roomco: chat and communities
- Roomful Studio
- Roomi
- Roomie | Find a Roommate
- Roomie@Home
- Roomi - Roomies y Cuartos
- Roomnet
- RoomsLocal - Alquiler casa
- Roomster: pisos alquiler
- RoomSync
- Rot13 (Unix Flashback)
- Rotaract
- Rotary 1730
- Rotary 3131
- Rotary 3201
- Rotary 4240
- Rotary Club Locator
- Rotary Club of Roseville App
- Rotary Connect
- Rotary Contact
- Rotary Directory: District3220
- Rotary District 1770
- Rotary India
- Rotary Jugenddienst D1800
- Rotary Norden
- Rotary Pak Connect
- Rotary Portalı
- Rotary Socialbook
- Rotary2430 Bölge