PKI
| Acronym | Definition |
|---|---|
| PKI | Public Key Infrastructure |
| PKI | Private Key Infrastructure |
| PKI | Public Key Information |
| PKI | Perkinelmer, Inc (Wellesley, Massachusetts) |
| PKI | Partai Komunis Indonesia |
| PKI | Protein Kinase Inhibitors |
| PKI | Peter Kiewit Institute (Omaha, Nebraska, USA) |
| PKI | Paramount's King's Island |
| PKI | Privacy Knowledge Inc. |
| PKI | Peacekeeping Institute (US Army; now Peacekeeping and Stability Operations Institute) |
| PKI | Performance Key Indicators |
| PKI | Partido Kalikasan Institute (Philippines) |