RID may refer to:
- Isaiah ben Mali di Trani (the Elder), an Italian Talmudist
- Radial immunodiffusion, a scientific technique for measuring the quantity of an antigen
- Radionuclide identification device, a hand-held instrument for the detection and identification of radioactive sources
- Reactor Institute Delft, a nuclear research facility in the Netherlands
- Refractive index detector, a type of chromatography detector
- Registry of Interpreters for the Deaf, an American Sign Language interpreters' organization
- Relative identifier, a component of Microsoft Windows NT security
- RID (insect repellent), an Australian brand
- Rivista Italiana Difesa, an Italian magazine related to military and geo-strategic issues
- Robots in Disguise, an English electro band
- Royal Institute Dictionary, a prescriptive dictionary of Thailand
- Real-time Inter-network Defense, a reporting method for sharing incident-handling data between networks
- Rock Island District, commuter rail line between Chicago and Joliet, Illinois
This disambiguation page lists articles associated with the title RID.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: