{{Wiktionary|OTR}} '''OTR''' or '''Otr''' may refer to: {{TOC right}}

==Arts and entertainment== * ''Off the Record with Michael Landsberg'', a sports talk show * Old-time radio, a broadcasting era * Otierre, an Italian hip hop band

==Science and technology== * Ocular tilt reaction, a form of skew deviation involving the anatomy of the inner ear * Off-the-Record Messaging, an instant messaging encryption protocol * Oxygen transmission rate, of a substance * × ''Otaara'', a plant genus

==Other uses== * Occupational Therapist, Registered, Licensed * Ótr, a mythical dwarf * OTR, IATA code for Coto 47 Airport, in Costa Rica * OTR (convenience store), Australian petrol and convenience store chain * Over the road, truck drivers without schedule or route * Over-the-Rhine, a neighborhood in Cincinnati, Ohio, US * Public Television of Russia (OTR), a Russian television channel

{{disambiguation}}