| Acronym | Definition |
|---|
| HPCI➣High Performance Computing Infrastructure (Japan) |
| HPCI➣High Pressure Coolant Injection (nuclear power) |
| HPCI➣Home Price Comparison Index |
| HPCI➣High Performance Computing Initiative |
| HPCI➣Harmonized Programmable Communications Interface |
| HPCI➣High Performance Computing Institute (Arizona State University; Tempe, AZ) |
| HPCI➣Huntington Preferred Capital Inc. (Ohio) |