Incident may refer to: A property of a graph in graph theory Incident (film), a 1948 film noir Incident (festival), a cultural festival of The National Institute of Technology in Surathkal, Karnataka, India Incident (Scientology), a concept in Scientology Incident ray, a ray of light that strikes a surface See also Accident The Incident (disambiguation) Incidence (disambiguation) Incident management (ITSM), an IT service management process to identify and correct service operation failures Incident management, the activities of an organization to identify, analyze and correct organizational hazards Nuclear and radiation accidents and incidents, an irregularity with a nuclear installation not classified as a nuclear accident