| WHAC | World Handwriting Achievement Competition | 世界手写成就大赛 |
| WHAC | Wouldn't Have A Clue | 不知道 |
| WHAC | West Herts Against Crime (Watford, Hertfordshire) | 西赫茨打击犯罪（赫特福德郡沃特福德） |
| WHAC | Wolverine- Hoosier Athletic Conference | 金刚狼-霍西尔竞技大会 |
| WHAC | West Herts Against Crime | 西赫茨打击犯罪 |
| WHAC | West Hawaii Astronomy Club | 西夏威夷天文俱乐部 |
| WHAC | Wolverine Hoosier Athletic Conference | 狼獾竞技大会 |