6R

6R may refer to :
 * Ford 6R transmission, a 2006 6-speed automatic transmission
 * Kawasaki Ninja ZX-6R, a 1995 middleweight sport bike
 * Ponceau 6R, a red azo dye
 * Yaesu VX-6R, a triple band handheld amateur radio transceiver
 * A standard consumer print size for photographs. See Standard photographic print sizes.
 * 6R, the production code for the 1984 Doctor Who serial The Caves of Androzani