01

01 or `01 may refer to:


 * The year 2001, or any year ending with 01
 * The month of January
 * 1 (number)

Music

 * '01 (Richard Müller album), 2001
 * 01 (Urban Zakapa album), 2011
 * 01011001, the seventh studio album from Arjen Anthony Lucassen's Ayreon project

Other uses

 * 01 (telephone number), United Kingdom internal dialing code for London between the late 1950s and 1990
 * Lynk & Co 01, a compact SUV built since 2017
 * Zero One also known as Machine City, a city-state from the Matrix series
 * Kolmogorov's zero-one law, a law of probability theory
 * Pro Wrestling ZERO1-MAX, a wrestling promotion formerly known as Pro Wrestling ZERO-ONE
 * BAR 01, a Formula One chassis
 * The number of the French department Ain
 * The codename given to the Wing Gundam by Oz in the anime Gundam Wing
 * Kamen Rider Zero-One