Fair may refer to:

• A fair, a type of market, or fête
• a funfair, or carnival, with amusement rides
• Fairness measure, a mathematical measure used in computer networking.
• Fair coin, an unbiased coin
• Fair, a low grade in coin grading
• Fair ball, a baseball term used to describe certain batted balls
• 40% or less cloud cover. See Sky Condition
• Trade Fair
• Justice, to act a just, unbiased manner
• Blond. Traditionally in English, blond or lightly-colored hair is called "fair hair".
• For fair in a Combinatorial game see Fairness in the game Connect6
• "Fair" is a song by Remy Zero feautured in the movie Garden State
• Fair (band), a Christian alternative rock band.

The acronym FAIR may refer to:

• Fairness and Accuracy in Reporting, a media watchdog group that watches for media bias and inaccuracy
• Family Action Information Resource, a British anti-cult campaign and support group
• Federation for American Immigration Reform, a non-partisan organization which promotes immigration reduction
• Forum for Academic and Institutional Rights, an association of American law schools that sought and failed to overturn the Solomon Amendment
• The Foundation for Apologetic Information & Research, an organization which engages in apologetics regarding Mormon theology