158 may refer to:
158 (number), the natural number following 157 and preceding 159 AD 158, a year 158 BC, a year 158 (New Jersey bus), United States 158 Regiment RLC Ferrari 158, a Formula One racing car Alfa Romeo 158, a Grand Prix racing car UFC 158, a mixed martial arts event held by the Ultimate Fighting Championship PS 158, a public elementary school in New York City ONE 158, a combat sports event produced by ONE Championship Tatra 158 Phoenix, a heavy truck British Rail Class 158, a DMU train used in the UK