OTR
Template:Sister project OTR or Otr may refer to:
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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