JGR

JGR can refer to:
 * Japanese Government Railways
 * Java Gui for R
 * Jet Grind Radio, a video game
 * Joe Gibbs Racing, American professional racing organization
 * John G. Roberts, Jr. (born 1955), Chief Justice of the United States
 * Journal of Geophysical Research
 * Jessica González-Rojas (born 1976), New York State Assemblymember for the 34th Assembly District