| PHI | Pharmacopoeia internationalis | 《国际药典》[拉] |
| PHI | Philippines | 菲律宾 |
| PHI | Pineiro, Brazil (Airport Code) | 巴西皮涅罗（机场代码） |
| PHI | Public Health Inspector (Canada) | 公共卫生检查员（加拿大） |
| PHI | Post-Polio Health International | 脊髓灰质炎后健康国际 |
| PHI | Pacific Health Information Network | 太平洋卫生信息网 |
| PHI | Physical Electronics | 物理电子学 |
| PHI | Personal History Interview (life/health underwriting) | 个人的历史面试(生命/健康承保) |
| PHI | Packet Handler Interface | 数据包处理程序接口 |
| PHI | Phosphoexose Isomerase | 磷酸异构酶 |
| PHI | Porter Hetu International | 波特河图国际 |
| PHI | Public Health Intelligence | 公共卫生情报 |
| PHI | Paraprofessional Healthcare Institute | 准专业医疗保健研究所 |
| PHI | Protected Health Information (HIPAA Administrative Simplification Provision) | 受保护的健康信息（HIPAA管理简化规定） |
| PHI | Permanent Health Insurance | 永久健康保险 |
| PHI | Personal Health Information | 个人健康信息 |
| PHI | Public Health Institute | 公共卫生研究所 |
| PHI | Packard Humanities Institute | 帕卡德人文学院 |
| PHI | Public Health Informatics | 公共卫生信息学 |
| PHI | pre-harvest inspection (timber harvesting) | 收获前检查（木材收获） |
| PHI | Proctected Health Information | 受检健康信息 |
| PHI | Physically Health Impaired | 身体健康受损 |
| PHI | Philippine Long Distance Telephone Company | 菲律宾长途电话公司 |
| PHI | Public Health Investigator | 公共卫生调查员 |
| PHI | Pinheiro, Ma, Brazil | 巴西马州皮涅罗 |
| PHI | Private Health Insurance | 私人健康保险 |
| PHI | Precision Hardware, Inc. (manufacturers of exit hardware) | Precision Hardware，Inc.（出口五金件制造商） |
| PHI | Protected Health Information | 受保护的健康信息 |
| PHI | Platform High | 平台高度 |
| PHI | passive hemagglutination inhibitor | 被动血凝抑制剂 |
| PHI | Petroleum Helicopters Inc | 石油直升机公司 |
| PHI | physiological hyaluronidase inhibitor | 生理性透明质酸酶抑制剂 |
| PHI | Population Health Impact | 人口健康影响 |
| PHI | past history of illness | 既往病史 |
| PHI | phosphoribose isomerase | 磷酸核糖异构酶 |
| PHI | Photonic Hit Indicator | 光子命中指示器 |
| PHI | phenyl iodide | 苯基碘化物 |
| PHI | Pre-Harvest Interval (pesticide use) | 收获前间隔（农药使用） |
| PHI | public health inspector | 公共卫生检查员 |
| PHI | pH indicator | pH指示器 |
| PHI | Philadelphia Eagles | 费城老鹰队 |
| PHI | People Have Information | 人们拥有信息 |
| PHI | Patient Health Information | 患者健康信息 |
| PHI | Past History Information | 过去历史信息 |
| PHI | Private Health Information | 私人健康信息 |