Ros
- Amanda McKittrick Ros
- Ana Ros Camacho
- Ana Roš
- Arno Ros
- Baron de Ros
- Carmen Ros Nortes
- Da Ros
- Edmundo Ros
- Enrique Ros
- Fran Roš
- Giuseppe Ros
- Grodno Region
- IL ROS
- Isidro Ros Ríos
- Iñigo Ros
- Jaime Ros
- Javier Ros
- José Ros García
- Juan Antonio Ros
- Lake Roś
- List of amateur radio modes
- Lázaro Ros
- Mohd Remezey Che Ros
- RDOS (disambiguation)
- ROM Operating System
- ROS1
- ROTS (disambiguation)
- Raggruppamento Operativo Speciale
- Ramón Ros
- Random orbital sander
- ReactOS
- Reactive oxygen species
- Reaper of Souls
- Registers of Scotland
- Reparti i Operacioneve Speciale
- Republic of Singapore
- Reserve Officer School
- Return on sales
- Review of systems
- Richard Ros
- Robot Operating System
- Rod outer segment
- Ros (grape)
- Ros (river)
- Ros (vehicles)
- Ros Atkins
- Ros Bates
- Ros Childs
- Ros Drinkwater
- Ros Evans
- Ros Kelly
- Ros Kember
- Ros Myers
- Ros Pesman
- Ros Saboeut
- Ros Serey Sothea
- Ros Sopheap
- Ros Spence
- Ros, Belarus
- Rosanna railway station
- Rosario – Islas Malvinas International Airport
- Rosas (surname)
- Ross (disambiguation)
- Ross (name)
- Rosyth railway station
- Rot (disambiguation)
- Russian Orbital Segment
- Russian Orbital Service Station
- Ríos (disambiguation)
- Tros (disambiguation)
- Uilleam Ros