| IFA | International Franchise Association | 国际特许经营协会 |
| IFA | International Fertilizer Industry Association | 国际肥料工业协会 |
| IFA | Industrial Forestry Association | 工业用林木协会 |
| IFA | Industry Film Association | 工业电影协会 |
| IFA | International Federation of Actors | 国际演员联合会 |
| IFA | Independent Factor Analysis | 独立因子分析 |
| IFA | International Factoring Association | 国际保理协会 |
| IFA | International Fiscal Association | 国际财政协会 |
| IFA | Israel Football Association | 以色列足球协会 |
| IFA | Independent Fee Appraiser (National Association of Independent Fee Appraisers) | 独立费用估价师(全国独立费用估价师协会) |
| IFA | International Friends and Associates (international match-making organization) | 国际交友协会(国际配对组织) |
| IFA | Irish Farmers' Association | 爱尔兰的农民协会 |
| IFA | Internet Football Association | 互联网足球协会 |
| IFA | International Freezone Association | 国际自由区协会 |
| IFA | International Fitness Association | 国际健身协会 |
| IFA | Irish Football Association (Northern Ireland's governing body of soccer) | 爱尔兰的足球协会(北爱尔兰的足球的管理机构) |
| IFA | Institute of Field Archaeologists (UK) | 英国野外考古学家协会 |
| IFA | international filariasis association | 国际丝虫病协会 |
| IFA | international fertility association | 国际生育协会 |
| IFA | Intermountain Forest Association (Coeur d'Alene, ID) | 而且成为森林协会(身份证) |
| IFA | International Frisbee Association | 国际飞盘协会 |
| IFA | Indian Football Association (India) | 印度足球协会(印度) |
| IFA | Irish Farmer's Association | 爱尔兰农夫协会 |
| IFA | International Formalwear Association (Chicago, Illinois) | 国际正装协会(伊利诺伊州芝加哥) |
| IFA | Institute of Financial Accountants | 财务会计师公会 |
| IFA | Indirect Fluorescent Antibody | 间接荧光抗体 |
| IFA | Immunofluorescence Assay | 免疫荧光分析 |
| IFA | Independent Financial Adviser (UK) | 独立财务顾问(英国) |
| IFA | Institute for Astronomy | 天文研究所 |
| IFA | indirect fluorescent antibody test | 间接荧光抗体试验 |
| IFA | Informal FTP Area | 非正式FTP区域 |
| IFA | Intermediate Frequency Amplifier | 中频放大器 |
| IFA | Index Fund Advisor | 指数基金顾问 |
| IFA | Instituto de Fomento Andaluz | 安达卢兹基金会 |
| IFA | Intrinsic Factor Antibody | 固有因子抗体 |
| IFA | I'll Fight Anyone | 我会打架 |
| IFA | Internationale FunkAusstellung (Berlin) | 国际音乐节(柏林) |
| IFA | Intellectual Freedom Award | 知识自由奖 |
| IFA | Intensive Flux Array | 密集通量阵列 |
| IFA | Institut de Formation de l'Administration Publique (Belgique) | Institut de fixation 'Administration德形成Publique(Belgique) |
| IFA | Institut Francais d'Architecture | 法国Institut 'Architecture d |
| IFA | AsociaciÓn Internacional de la Industria de los Fertilizantes | AsociaciÓn Internacional de la Industria de los Fertilizantes |
| IFA | In-Flight Alignment (GPS) | 飞行对准(GPS) |
| IFA | Institut fÜr Auslandsbeziehungen eV | Institut fÜr Auslandsbeziehungen eV |
| IFA | Interagency Funding Agreement | 机构间资助协议 |
| IFA | Installation and Functionality Assessment | 安装和功能评估 |
| IFA | Independent Financial Advisor | 独立理财顾问 |
| IFA | immunofluorescence antibody assay | 免疫荧光抗体测定 |
| IFA | Issued for Approval (design stage) | 发布供批准(设计阶段) |
| IFA | indirect fluorescence assay | 间接荧光测定 |
| IFA | idiopathic fibrosing alveolitis | 特发性纤维化肺泡炎 |
| IFA | intrinsic fibrosing alveolitis | 内在纤维化肺泡炎 |
| IFA | international federation of anatomists | 国际解剖学家联合会 |
| IFA | incomplete freund's adjuvant | 不完全弗氏佐剂 |
| IFA | Inductive Fault Analysis | 感应故障分析 |
| IFA | Indirect Immunofluorescence Assay | 间接免疫荧光分析 |
| IFA | Ian Farmer Associates Ltd | Ian Farmer Associates有限公司 |
| IFA | Instytut Filologii Angielskiej (Polish: Institute of English Studies; university department) | Instytut Filologii Angielskiej(波兰语:英语研究所;大学部) |
| IFA | International Federation on Aging | 国际老龄问题联合会 |
| IFA | In-Flight Anomaly (NASA) | 飞行异常(NASA) |
| IFA | Integrated File Adapter (IBM) | 集成文件适配器(IBM) |
| IFA | Informaticien FrustrÉs Anonymes (France, Lyon) | Informaticien FrustrÉs Anonymes (France, Lyon) |
| IFA | Internationale Funkaustellung (German: International Fair of Broadcasting Services) | 国际广播服务展览会(德语:International Fair of Broadcasting Services) |
| IFA | Intelligence Functional Area | 智能功能区 |
| IFA | INDUS Foundation Architecture | INDUS基础架构 |
| IFA | Industrieverband Fahrzeugbau der DDR (German state-controlled vehicle manufacturing company) | Industrieverband Fahrzeugbau der DDR(德国国有汽车制造公司) |
| IFA | Interior Floor Area (zoning) | 室内占地面积(分区) |
| IFA | International Federation of Aromatherapists | 国际芳香治疗师联合会 |
| IFA | Inverted-F Antenna | 倒F天线 |