5X or 5-X may refer to:
Codes 5X, IATA code for UPS Airlines 5X, the production code for the 1982 Doctor Who serial The Visitation
Electronics Huawei Honor 5X, a mobile telephone Nexus 5X, a mobile telephone
Mathematics 5x, or five times in multiplication
Vehicles Aircraft Dassault Falcon 5X, a business jet Light Miniature Aircraft LM-5X, a full-sized replica of the Piper PA-18 Super Cub
Cars Chery Tiggo 5X, a subcompact SUV built since 2017
Arts and entertainment "5x", a song by Don Toliver from Life of a Don, 2021
See also X5 (disambiguation)