UCAR

Ucar or UCAR may refer to:
 * University Corporation for Atmospheric Research, a U.S. organization of atmospheric research institutions
 * Unmanned Combat Armed Rotorcraft, a United States pilotless attack helicopter, currently under development
 * Ujar Rayon, a province in Azerbaijan
 * Ucar, Azerbaijan, capital of that region
 * Úcar, a municipality in the province of Navarre, Spain
 * Uçar, Turkish surname
 * U-Car, a type of race car built from stock parts
 * Godfrey Chitalu, Legendary Zambian footballer and coach
 * Gabriel Ucar Swedish football player
 * A European brand name for consumer batteries formerly developed by Union Carbide.