ROR

The acronym ROR may refer to:

* Ror community or the Ror caste of North India
* ROR, the IATA code for Palau International Airport
* Ruby on Rails, an open source web application framework
* Rate of return, a comparison of the money earned or lost on an investment to the amount of money invested
* Resources of a Resource, an XML format for describing common website objects to search engines
* , an expansion to the video game Age of Empires
* RipOff Report, a consumer advocacy website
* Remote outdoor router
* Societatea Română de Radiodifuziune, a member of the European Broadcasting Union
* Rhythms of Resistance, a network of political percussion bands
* Release on own recognizance, in legal terminology
* Rigs of Rods, a soft body physics truck simulator
* ROtate Right, a common instruction in Assembly language
* Receptor tyrosine kinase-like orphan receptors in biochemistry, members of the receptor tyrosine kinase family of cell surface receptors
* RAR-related orphan receptors - members of the nuclear receptor family of intracellular transcription factors
* An ether- two organic R groups connected to oxygen (R-O-R)