RNR (disambiguation)

RNR is the Royal Naval Reserve, the volunteer reserve force of the Royal Navy in the United Kingdom.

RNR may also refer to:
 * Ribonucleotide reductase
 * Rig 'n' Roll, a truck simulation adventure game
 * Right node raising, in linguistics, a mechanism that sees parallel structures share material to their immediate right
 * Rock and roll, a genre of music
 * Royal Newfoundland Regiment, a regiment of the Canadian Army
 * "RnR", a franchise of the FGL Sports
 * R n R, an album by Richard Elliot and Rick Braun
 * the risk-need-responsivity model of offender treatment
 * Rock'n'Reel, a music magazine