TRO or tro may refer to:
- Tamils Rehabilitation Organisation
- Temporary restraining order
- Tro (instrument) is the generic name for traditional bowed string instruments of Cambodia
- Tro (song) a 1996 hit song by Swedish pop singer Marie Fredriksson
- Top rank objective in Strategic planning
- IATA Airport Code for Taree Airport
- The Richmond Organization, an international music publishing business established by Howie Richmond
- One of the lesser gods of African traditional religion (Ghana)
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