Look up ski in Wiktionary, the free dictionary.

A ski is a long, flat device worn on the feet designed to help the wearer slide smoothly over snow.

Ski may also refer to:

• Skiing, gliding on skis
• Surf ski, a long kayak commonly used in open water
• Ski (driving stunt), driving a car balanced on two wheels
• Ski (record producer)
• Ski (drink), a soft drink
• Ski, Norway, a town and a municipality in Akershus county, Norway
• Ski Inn, a bar in Bombay Beach, California
• Water skiing, skiing on water, pulled by a boat
• Ski, a magazine published by Outside (company)
• Ski, a yogurt and fruit mousse brand owned by Nestlé
• -ski, a common ending of Polish surnames

The abbreviation SKI may refer to:

• Skipton railway station
• SKI combinator calculus, a technique used in functional programming
• SKI protein
• Spending the Kids' Inheritance (SKI, SKI'ing), see Consumption (economics)