QOR may refer to:
- The Queen's Own Rifles of Canada, Canadian Forces airborne infantry regiment based in Toronto, Ontario
- Quality of results, term used in evaluating technological processes
- Quality of Resilience (QoR), an electrical engineering term
- qor, a gene in human DNA
- Kor (Star Trek), character in the Star Trek universe
- Qor, a dark school of magic from the MMORPG Meridian 59