166 may refer to:

• 166 (year)
• 166 (number), the natural number following 165 and preceding 167
• ONE 166, a combat sport event produced by ONE Championship
• EN 166, a European standard concerning eye protection
• UFC 166, a mixed martial arts event held by the Ultimate Fighting Championship
• Ferrari 166, various Ferrari sports cars
• Alfa Romeo 166, an executive sedan
• Radical 166, one of the 20 Kangxi radicals (214 radicals in total) composed of 7 strokes meaning "village" or "li"
• 166 Rhodope, a dark background asteroid from the central region of the asteroid belt

Topics referred to by the same term

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