| IFV | Innerschweizer Fussballverband (Swiss soccer league) | Innerschweizer Fussballverband（瑞士足球联赛） |
| IFV | In Ferro Veritas (Latin: In the Sword is Truth; fencing organization and motto) | 在Ferro Veritas（拉丁语：在剑中是真理；击剑组织和格言） |
| IFV | interstitial fluid volume | 间质液体积 |
| IFV | intracellular fluid volume | 细胞内液体体积 |
| IFV | Indo-French Venture | 印法合资企业 |
| IFV | Incisive Formal Verifier (Cadence) | 切割式形式验证器（Cadence） |
| IFV | Infantry Fighting Vehicle | 步兵战车 |
| IFV | Intermediate Fighting Vehicle | 中级战车 |