Indecent exposure is the deliberate public exposure by a person of a portion of their body in a manner contrary to local standards of appropriate behavior. Laws and social attitudes regarding indecent exposure vary significantly in different countries. It ranges from outright prohibition of the exposure of any body parts other than the hands or face to prohibition of exposure of certain body parts, such as the genital area, buttocks or breasts.

Exhibitionism is the act of exposing in a public or semi-public context one's intimate parts – for example, the breasts, genitals or buttocks. The practice may arise from a desire or compulsion to expose oneself in such a manner to groups of friends or acquaintances, or to strangers for their amusement or sexual satisfaction, or to shock the bystander. Exposing oneself only to an intimate partner is normally not regarded as exhibitionism. In law, the act of exhibitionism may be referred to as indecent exposure or exposing one's person, or by other expressions.