| QCI | QIAGEN Clinical Insight
| Others |
| QCI | QoS Class Identifier
| Others |
| QCI | Quadratic Configuration Interaction
| Others |
| QCI | Qualified Credentialed Inspector
| Others |
| QCI | Quality Computing, Inc.
| Others |
| QCI | Quality Conformance Inspections
| Others |
| QCI | Quality Control Incident
| Others |
| QCI | Quality Control Inspection
| Others |
| QCI | Quality Controls Inc
| Others |
| QCI | Quality Copying Inc
| Others |
| QCI | Quality Corrections and Inspections
| Others |
| QCI | Quality Council of India
| Others |
| QCI | Quality Council of Indiana
| Others |
| QCI | Quantitative Consultants Inc
| Others |
| QCI | Quantum Circuits Inc
| Others |
| QCI | Quantum Cloud Inc.
| Others |
| QCI | Quantum Coefficient, Inc.
| Others |
| QCI | Quantum Computation and Quantum Information conference
| Others |
| QCI | Quantum Computation, Inc.
| Others |
| QCI | Quantum Computing Initiative
| Others |
| QCI | Queen Charlotte Islands, British Columbia
| Others |
| QCI | Queueing And Channel Information
| Others |
| QCI | Quick Collect Incorporated
| Others |
| QCI | Quimper Club International
| Others |
| QCI | Quincy Center for Innovation
| Others |