Relevance is a measure of how pertinent, connected, or applicable something is. Relevance may also refer to: Relevance (information retrieval), a measure of a document's applicability to a given subject or search query Relevance (law), regarding the admissibility of evidence in legal proceedings Relevance logic, mathematical logic system that imposes certain restrictions on implication Relevance theory, cognitive theory of communication via interpretive inferences "Relevance" (Person of Interest), an episode of the American television drama series Person of Interest See also Relevant (disambiguation)