RGBW may refer to:
Red, green, blue and white RGBW sensor, a color filter array RGBW, an LED strip light with four channels RGBW color wheel, in a DLP projector PenTile RGBW, in the PenTile matrix family RGBW sub-pixels, in WhiteMagic display technology
Other uses Royal Gloucestershire, Berkshire and Wiltshire Regiment, a former regiment of the British Army
See also RGB, a color model