6X or 6-X may refer to:
6X, a brand of beer by Wadworth Brewery 6x, or six times in multiplication Saab 9-6X Alberta Highway 6X; see List of Alberta provincial highways Six Men Getting Sick (Six Times), film 6X, the production code for the 1985 Doctor Who serial The Mark of the Rani
Aircraft Dassault Falcon 6X, a business jet SZD-6X Nietoperz, a Polish experimental glider Piper 6X; see Piper PA-32 A/MH-6X, a model of Boeing AH-6
See also X6 (disambiguation) 6S (disambiguation)