RIN may refer to:

• RIN (rapper), Renato Šimunović (born 1994), German-Croatian rapper
• Rassemblement pour l'Indépendance Nationale, a former Quebec nationalist group
• Regulation Identifier Number, a unique 8-digit alphanumeric code assigned to regulations under development in the United States.
• Relative Intensity Noise, a noise term in fiber-optic communication
• Renewable Identification Number, a serial number assigned to a batch of biofuel for the purpose of tracking
• RNA integrity number, a method of assessing RNA quality for biochemical applications
• Royal Indian Navy, the naval force of British India
• Royal Institute of Navigation, a learned society for Navigation.

• Rin (disambiguation)

This disambiguation page lists articles associated with the title RIN.
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