| GPK | Garbage Pail Kids | 垃圾桶小孩 |
| GPK | German Pro Killers (gaming clan) | 德国职业杀手(游戏家族) |
| GPK | Aceh Security Disturbance Movement (Indonesian insurgent group) | 亚齐安全骚乱运动(印度尼西亚叛乱团体) |
| GPK | Gunner's Protection Kit | 机枪手的防护工具 |
| GPK | Gerombolan Pengacau Keamanan (hackers) | Gerombolan Pengacau Keamanan(黑客) |
| GPK | A C X Technologies, Inc. | A C X技术公司。 |
| GPK | guinea pig kidney antigen | 豚鼠肾抗原 |
| GPK | guinea-pig keratinocyte | 豚鼠角质形成细胞 |
| GPK | Compressed Omnigo file archive (Geos package) | 压缩Omnigo文件归档(Geos包) |