Enrichment may refer to:
- Enrichment in education: activities outside the formal curriculum, or an extra program for the most able students
- The process of adding nutrients to cereals or grain, see food fortification
- The process of adding sugar to grape must during winemaking in order to achieve a higher alcohol content of the wine, more commonly referred to as chaptalization
- Behavioral enrichment, the practice of providing animals under managed care with stimuli such as natural and artificial objects
- Environmental enrichment, how the brain is affected by the stimulation of its information processing provided by its surroundings
- The process of enhancing breathing gas for scuba diving (e.g. in Enriched Air Nitrox).
- Job enrichment, improving work processes and environments so they are more satisfying for employees
- Nuclear enrichment, the process of increasing the Uranium-235 content of nuclear fuel in preparation for nuclear power plants or nuclear weapons
- The United States Enrichment Corporation, a manufacturer of enriched uranium
- Unjust enrichment, in civil law, a term for someone who has benefitted another party with the expectation of compensation, but who has not been justly compensated
- The Enrichment Center Percussion Ensemble from the Enrichment Centre in Winston-Salem NC
- The Living Enrichment Center, a church in Portland, Oregon
- The notion of enriched category in mathematics
- The analysis of gene product annotations using GO Term Enrichment in biology
- The use of an enrichment culture, to select for the growth of a particular microorganism
- The paradox of enrichment, a principle of ecology where an abundance of prey tends to destabilize the predator population
- Enrichment factor, used to describe bodies of mineral ore