Look up OTR in Wiktionary, the free dictionary.

OTR or Otr may refer to:

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

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