RO

RO or ro may stand for:

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

• Ro: an artificial language created by Edward Powell Foster
• Ro (pharaoh): the early pharaoh
• Ro (dubious Danish king)
• Romania (ISO 3166-1 alpha-2 country code, RO)
• Romanian language (ISO 639 alpha-2, ro)
• Ragnarok Online, an MMORPG
• Reverse Osmosis
• Receive only, a type of teleprinter that contains neither a keyboard nor punched tape equipment
• Royal Ordnance, a British arms manufacturer, which is now part of BAE Systems Land Systems
• the IATA code for Tarom, the national airline of Romania
• Red Orchestra, The WW2 Russian spy network, also a title of a modification for Unreal Tournament 2004
• Read Only, A term used to signify that a computer file, directory or physical medium (such as compact discs and floppy disks) cannot be modified due to factors such as insufficient access rights or the physical capabilities of the equipment being used.
• The medical abbreviation r/o means to "rule out" (as in to eliminate possible diagnoses)

Ro may also refer to:

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

• Ro Laren a charater in the Star Trek series