ARC may be:
- ARC (former name of Hanson Quarry Products Europe)
- Accident Reconstruction Resource
- Advanced RISC Computing
- Advocacy for Respect for Cyclists
- Aging Research Centre
- Agricultural Research Council
- Airlines Reporting Corporation
- Alberta Research Council
- American Reprographics Company
- Ames Research Center
- Applied Research Center
- Arthritis Research Campaign
- L'Association pour la Recherche Cognitive
- L'Association pour la Recherche sur le Cancer
- Auckland Regional Council
- Australian Research Council
- the US Navy hull classification symbol for Cable Repair Ship