5X

5X or 5-X may refer to:

• 5X, IATA code for UPS Airlines
• 5X, the production code for the 1982 Doctor Who serial The Visitation

• Huawei Honor 5X, a mobile telephone
• Nexus 5X, a mobile telephone

• 5x, or five times in multiplication

• Dassault Falcon 5X, a business jet
• Light Miniature Aircraft LM-5X, a full-sized replica of the Piper PA-18 Super Cub

• Chery Tiggo 5X, a subcompact SUV built since 2017

• X5 (disambiguation)