Q8

Q8 may refer to:
 * Common abbreviation for Kuwait, used due to its phonetic similarity with the country's name
 * Kuwait Petroleum International, a subsidiary of Kuwait Petroleum Corporation which trades under the "Q8" brand
 * Audi Q8, a mid-size luxury crossover SUV coupé
 * Q8 (New York City bus)
 * Quad 8, the Quadraphonic version of Stereo 8
 * Q (TV series), 4th series of Spike Milligan's TV comedy sketch show
 * Pacific East Asia Cargo Airlines, IATA designator
 * Trans Air Congo, IATA designator
 * The quaternion group $Q_{8}$
 * Quran 8, al-ʾanfāl the 8th chapter of the Islamic Holy book