Red belt

Red belt may refer to:


 * Red Belt (Pennsylvania), Allegheny County road belt system
 * Red Belt (Pittsburgh), Allegheny County road belt system
 * Red belt (martial arts)
 * Red belt (Brazilian Jiu-Jitsu)
 * Red-Belted Clearwing, the European name of Synanthedon myopaeformis
 * Redbelt, 2008 American film

Left-leaning areas

 * Red Belt (Russia), area dominated by the Communist Party of the Russian Federation
 * Red belt (Italy), area dominated by the PSI, PCI, PDS and PD
 * Red belt (Community of Madrid)
 * Red belt (India), the area where Maoist insurgency operates
 * Red belt (France), area around Paris dominated by the PCF