| ISF | International Seed Federation | 国际种子联合会 |
| ISF | International Shipping Federation | 国际海运联合会 |
| ISF | International Softball Federation | 国际垒球联合会 |
| ISF | International Science Foundation | 国际科学基金会 |
| ISF | Industry Space Facility | 工业空间设施 |
| ISF | International Society of Financiers, Inc. | 国际金融家协会。 |
| ISF | Imaging Science Foundation | 影像科学基金会 |
| ISF | Information Strike Force (Navy/Marine Corp Intranet; NMCI) | 信息打击力量(海军/船舶公司内部网;NMCI) |
| ISF | Institute of Soil Fertility (Netherlands) | 土壤肥力研究所（荷兰） |
| ISF | Integrated Social Forestry (Philippines) | 综合社会林业（菲律宾） |
| ISF | Ingenieros Sin Fronteras (Spanish: Engineers Without Borders) | Ingenieros Sin Fronteras（西班牙语：无国界工程师） |
| ISF | Institute for Sustainable Futures (Sydney, Australia) | 可持续未来研究所（澳大利亚悉尼） |
| ISF | IngÉnierie Sans FrontiÈres (Engineers Without Borders) | IngÉnierie Sans FrontiÈres (Engineers Without Borders) |
| ISF | IngÉnierie Sans FrontiÈres (French: Engineering Withouth Borders; Sherbrooke, QuÉbec, Canada) | IngÉnierie Sans FrontiÈres (French: Engineering Withouth Borders; Sherbrooke, QuÉbec, Canada) |
| ISF | International Sepsis Forum | 国际脓毒症论坛 |
| ISF | Information Security Foundation | 信息安全基金会 |
| ISF | In Service Failure | 在役故障 |
| ISF | Income Stabilization Fund | 收入稳定基金 |
| ISF | Integrated Support-Fielding | 集成支持部署 |
| ISF | Islamic Salvation Front | 伊斯兰拯救阵线 |
| ISF | Insufficient Funds | 资金不足 |
| ISF | International Selection Fund | 国际甄选基金 |
| ISF | Imperial Special Forces (gaming) | 帝国特种部队（游戏） |
| ISF | International Shinto Foundation | 国际神道基金会 |
| ISF | Internal Security Force | 内部安全部队 |
| ISF | Intelligent Strong And Fast | 智能强大且快速 |
| ISF | International Student Friendship | 国际学生友谊 |
| ISF | IngÉnierie Sans FrontiÈres | IngÉnierie Sans FrontiÈres |
| ISF | Information Systems Frontiers | 信息系统前沿 |
| ISF | Industrial Space Facility | 工业空间设施 |
| ISF | Importer Security Filing | 进口安全申报 |
| ISF | Impôt de SolidaritÉ sur la Fortune (French: wealth tax) | Impôt de SolidaritÉ sur la Fortune (French: wealth tax) |
| ISF | Iraqi Security Force | 伊拉克安全部队 |
| ISF | Investigative Support & Forensics | 研究性的支持和取证 |
| ISF | International Ski Federation | 国际滑雪联合会 |
| ISF | Integration Support Facility | 综合支援设备 |
| ISF | Insofar | 迄今为止 |
| ISF | Investigator Site File | 研究者现场文件 |
| ISF | Infrastructure Support Facilities | 基础设施支持设施 |
| ISF | International School Frankfurt | 法兰克福国际学校 |
| ISF | Iowa State Fair | 艾奥瓦州博览会 |
| ISF | Integrative Strategies Forum | 综合战略论坛 |
| ISF | Intelligence Support Facility | 情报支援设备 |
| ISF | Import Service Fee | 进口服务费 |
| ISF | I SÅdana Fall | I SÅdana Fall |
| ISF | Integrated Support Facility | 综合支援设备 |
| ISF | International Snowboarding Federation | 国际滑雪联合会 |