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

This disambiguation page lists articles associated with the title JGR.
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