| PHO | Phoenicids | 凤凰座流星雨 |
| PHO | Point Hope, AK, USA - Point Hope (Airport Code) | 美国阿肯色州Point Hope-Point Hope（机场代码） |
| PHO | Point Hope, Alaska USA | Point Hope，美国阿拉斯加州 |
| PHO | Physician Hospital Organization | 医师医院组织 |
| PHO | Phone database (Metz Phone for Windows) | 电话数据库（Metz Phone for Windows） |
| PHO | Primary Health Organisation (New Zealand) | 初级卫生组织（新西兰） |
| PHO | Physician-Hospital Organization | 医师医院组织 |
| PHO | Physicians Health Organization | 医生卫生组织 |
| PHO | Public Health Officer | 公共卫生官员 |
| PHO | Program on Health Outcomes (University of North Carolina) | 健康成果计划（北卡罗来纳大学） |
| PHO | Phoenix Cardinals | 凤凰红雀队 |
| PHO | Photography | 照相术 |
| PHO | Phoenix Suns | 菲尼克斯太阳队 |
| PHO | Photonic | 光子学的 |
| PHO | Primary Health Organisation | 初级卫生组织 |
| PHO | Phoenix, Arizona | 亚利桑那州凤凰城 |
| PHO | Primary Health Organization | 初级卫生组织 |
| PHO | Pseudo-Harmonic Oscillator | 伪谐波振荡器 |
| PHO | Partially Hydrogenated Oil | 部分氢化油 |
| PHO | Pyrococcus horikoshii | 水平焦球菌 |
| PHO | Phone List (File Name Extension) | 电话列表（文件扩展名） |