ODR, or Odr may refer to: Octal data rate, a technique used in high-speed computer memory Oculomotor delayed response, a task used in neuroscience. Óðr Office for dispute resolution On Demand Routing One Day Remains One Definition Rule One-drop rule Online dispute resolution Operator Driven Reliability - A field maintenance concept which is implemented in ODR programs Orthogonal distance regression Outdoor ice rink Owner-driven reconstruction, in natural disaster recovery