QCI may refer to:
- QoS Class Identifier, a mechanism to ensure proper Quality of Service for bearer traffic in LTE networks
- Quadratic configuration interaction, an extension of configuration interaction in quantum physics
- Queen Charlotte Islands, an archipelago on the North Coast of British Columbia, Canada
- Quality Council of India
This disambiguation page lists articles associated with the title QCI.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: