Interval may refer to:
Mathematics and physics Interval (mathematics), a range of numbers Partially ordered set#Intervals, its generalization from numbers to arbitrary partially ordered sets A statistical level of measurement Interval estimate Interval (graph theory) Space-time interval, the distance between two points in 4-space
Arts and entertainment Dramatic arts Intermission, (British English: interval), a break in a theatrical performance Entr'acte, a French term for the same, but used in English often to mean a musical performance played during the break Interval (play), a 1939 play by Sumner Locke Elliott Interval (1973 film), a 1973 film starring Merle Oberon Interval (2025 film), a 2025 film starring Shashi Raj
Music Interval (music), the relationship in pitch between two notes Intervals (band), a Canadian progressive metal band Intervals (See You Next Tuesday album), 2008 Intervals (Ahmad Jamal album), 1980
Sport Playing time (cricket)#Intervals, the breaks between play in cricket Interval training, a training technique used by runners and cyclists
Other uses Interval Research Corporation, a technology think tank founded by Paul Allen Recess (break), a break between classes, also called "interval" in New Zealand Jerry Interval (1923–2006), American portrait photographer and educator
See also Intermission (disambiguation) InterVol, a UK volunteering charity Interval scheduling, a class of problems in computer science