Quadruple

• 4 (disambiguation)
• 4-tuple
• List of association football teams to have won four or more trophies in one season
• Multiple birth
• Quad (figure skating)
• Quadripole
• Quadrupel
• Quadruple (computing)
• Quadruple Alliance (disambiguation)
• Quadruple glazing
• Quadruple-precision floating-point format
• Quadrupole