Combination may mean:

• in chess a sequence of forcing moves, usually involving a sacrifice.
• in computer games it is called a combo.
• in mathematics, combination is about finding the number of possibilities to pick a number of objects from a set.
• in martial arts and combat sports it means a striking combination
• in security, it is a list of numbers which opens a combination lock
• in equestrian, a combination is several jumps one after the other
• Combinations is the name of the band Eisley's second studio album
• A motorcycle combination is also called a sidecar