Social isolation, Isolation is the near or complete lack of social contact by an individual. Isolation or isolated may also refer to:

Sociology and psychology

*Isolation (health care), various measures taken to prevent contagious diseases from being spread **Isolation ward, a separate ward used to isolate patients with infectious diseases *Isolation (psychology), a defense mechanism in psychoanalytic theory *Emotional isolation, a feeling of isolation despite a functioning social network *Isolation effect, a psychological effect of distinctive items more easily remembered

Mathematics

* Real-root isolation * Isolation lemma, a technique used to reduce the number of solutions to a computational problem.

Natural sciences

*Electrical or galvanic isolation, isolating functional sections of electrical systems to prevent current flowing between them *An isolated system, a system without any external exchange *Isolating language, a type of language with a low morpheme-per-word ratio *Isolation (database systems), how and when the changes made by one operation become visible to other concurrent operations *Isolation (microbiology) techniques to separate microbes from a sample containing mixtures of microbes *Reproductive isolation in population genetics, prevents members of two different species from producing offspring if they cross or mate *Topographic isolation of a summit, the great circle distance to the nearest point of equal elevation *Vibration isolation, in engineering, the process of isolating an object from the source of vibrations *In electronics, a measure of how well two ports are disconnected in devices such as power dividers and directional couplers#Isolation, directional couplers and circulator#Isolator, circulators

Entertainment

In film

*Isolation (2005 film), ''Isolation'' (2005 film), an Irish horror film *Isolation (2009 film), ''Isolation'' (2009 film), a British documentary film *''Isolation'' (2015 film), a drama film featuring Dominic Purcell, Stephen Lang, and Tricia Helfer

In television

*Isolation (The Walking Dead), "Isolation" (''The Walking Dead''), an episode of the television series ''The Walking Dead''

In music

*"Isolation", a song by Die Krupps from 1995 album ''III - Odyssey of the Mind'' *Isolation (Alter Bridge song), "Isolation" (Alter Bridge song), 2010 *Isolation (Carpathian album), ''Isolation'' (Carpathian album), 2008 *Isolation (Fear My Thoughts album), ''Isolation'' (Fear My Thoughts album), 2008 *Isolation (John Lennon song), "Isolation" (John Lennon song), 1970 *Isolation (Joy Division song), "Isolation" (Joy Division song), 1980 *Isolation (Kali Uchis album), ''Isolation'' (Kali Uchis album), 2018 *Isolation (Kreator song), "Isolation" (Kreator song), 1995 *Isolation (Toto album), ''Isolation'' (Toto album), 1984

Other

*Isolation (illusion), an illusion whereby a prop appears to float in space *Isolation (poker), a play specifically for the purpose of making the hand a one-on-one contest with a specific opponent