| HIPPO | hippopotamus | 河马 |
| HIPPO | Highest Paid Person's Opinion | 收入最高的人的意见 |
| HIPPO | Habitat Destruction, Invasive Species, Population, Pollution, Overharvesting (factors endangering species) | 栖息地破坏、入侵物种、种群、污染、过度捕捞（危害物种的因素） |
| HIPPO | Headquarters Information Program Planning Office | 总部信息计划办公室 |
| HIPPO | Highly Individual Peak People Only | 仅限高度个性化的高峰人群 |
| HIPPO | Herbivore Induced Plant Protection Odor | 食草动物引起的植物保护气味 |
| HIPPO | Hasty International Perversion Provision Organisation | Hasty国际变态提供组织 |
| HIPPO | Habitat destruction, Invasive non-native species, Population growth, Pollution, and Overharvesting | 栖息地破坏、外来入侵物种、人口增长、污染和过度捕捞 |