8X

8X or 8-X may refer to:

• 8x, or eight times in multiplication
• 8X, code name for Enhanced Imaging System
• 8X, abbreviation for Octuple scull
• Precorrin-8X methylmutase
• South African Class 8X 2-8-0 locomotive
• 8X Bayshore; see List of San Francisco Municipal Railway lines
• Typ 8X; internal designation for Audi A1
• HTC Windows Phone 8X