Fairness or being fair can refer to:
- Justice; in particular:<!--See that article's "Types of justice" section for a list. There's no need to repeat it here. Those below are not in that list.-->
- Objectivity (philosophy), independence from any person's mind
- Impartiality, property of decisions based on objective criteria
- Procedural justice, rules or procedures used to allocate goods, benefits, and other outcomes fairly
- Interactional justice, fair treatment of persons in social situations
- Fairness, a character in the musical comedy A Theory of Justice: The Musical
- Fairness measure, metrics to quantify the fair distribution of resources<!--
- irrelevant: Perceptions associated with the ventrolateral prefrontal cortex and superior temporal sulcus brain regions, in the case of procedural justice, and the anterior cingulate cortex, anterior insula, and dorsolateral prefrontal cortex, in the case of distributive justice-->
- Fairness Doctrine, principle for equitable presentation of controversies in American broadcasting
- Fairness, a property of unbounded nondeterminism in algorithms
- Fairness (machine learning), a desirable property of machine learning algorithms
- Fair division in game theory
- Fair value in economics
- Fairness of human skin tone
- Physical attractiveness, the original meaning of the word
- Fair ball in baseball
- Sportsmanship