| FAI | frequently argued issue | 经常讨论的问题 |
| FAI | Fixed Asset Investment | 固定资产投资 |
| FAI | first article inspection | 新品首件检查 |
| FAI | Federation Aeronautique Internationale | 国际航空协会 |
| FAI | First Article inspection | 首件确认 |
| FAI | Faroe Islands | 法罗群岛 |
| FAI | Fairbanks, AK, USA - Fairbanks International Airport (Airport Code) | 美国阿肯色州费尔班克斯-费尔班克斯国际机场（机场代码） |
| FAI | Football Association Of Ireland | 爱尔兰足球协会 |
| FAI | Football Association of Ireland (Irish Republic's governing body of soccer) | 足球协会(爱尔兰共和国的爱尔兰的足球的管理机构) |
| FAI | Fertiliser Association of India (New Delhi) | 印度肥料协会（新德里） |
| FAI | Federal Acquisition Institute | 联邦采购协会 |
| FAI | Futon Association International | 富顿国际协会 |
| FAI | fresh air inlet | 新鲜空气入口 |
| FAI | FederaciÓn Anarquista IbÉrica | FederaciÓn Anarquista IbÉrica |
| FAI | Force XXI ABCS Integration | 21世纪部队ABCS集成 |
| FAI | Fully Automated Install | 全自动安装 |
| FAI | Fairbanks, Alaska USA | 美国阿拉斯加州费尔班克斯 |
| FAI | Fauske and Associates, Incorporated | Fauske and Associates公司 |
| FAI | Free Androgen Index | 游离雄激素指数 |
| FAI | Frequency Application Index | 频率应用指数 |
| FAI | Fondation Arabe pour l'Image (Beirut, Lebanon) | Fondation Arabe为了'Image(贝鲁特,黎巴嫩) |
| FAI | Fly As Is | 按原样飞行 |
| FAI | Federazione Anarchica Italiana (Italian Anarchist Federation) | 意大利无政府主义者联合会 |
| FAI | Femoro-Acetabular Impingement | 股骨髋臼撞击 |
| FAI | Fonds de l'Autoroute de l'Information | 管理'Autoroute de fixation 'Information信用证 |
| FAI | Fresh Air Intake (engineering) | 新鲜空气入口（工程） |
| FAI | Frenchay Activities Index (stroke patients measure of disability) | Frenchay活动指数（中风患者残疾测量） |
| FAI | Final Acceptance Inspection | 最终验收检查 |
| FAI | Federazione Apicoltori Italiani (Federation of Italian Apiculturlists) | 意大利养蜂人联合会 |
| FAI | Fail as Is | 按原样失败 |
| FAI | Free Androgen Index (estimating physiologically active testosterone.) | 游离雄激素指数（估计生理活性睾酮） |
| FAI | Fluor Alaska International | 福陆阿拉斯加国际 |
| FAI | FederaciÓn Anarquista IbÉrica (Anarchist Federation of Iberia) | FederaciÓn Anarquista IbÉrica (Anarchist Federation of Iberia) |
| FAI | Forget About It | 忘掉它吧 |
| FAI | Fellow of the (chartered) Auctioneers' Institute | 研究员(注册)之间的学院 |
| FAI | Fauske and Associates (Westinghouse) | Fauske和Associates（西屋公司） |
| FAI | Forced Air Induction | 强制进气 |
| FAI | Fournisseur d'Acces Internet (French Internet access provider) | Fournisseur d 'Acces网络(法国上网供应商) |
| FAI | Fujitsu America Incorporated | 富士通美国公司 |
| FAI | Foundation for the American Indian (Greenwich, Connecticut) | 美国印第安人基金会（康涅狄格州格林威治） |
| FAI | Fully Automatic Installation | 全自动安装 |
| FAI | Functional Aerobic Impairment | 功能性有氧损伤 |
| FAI | Femoral Acetabular Impingement | 股骨髋臼撞击 |
| FAI | First Article Inspection (quality check) | 首件检验（质量检查） |
| FAI | FÉdÉration AÉronautique Internationale | FÉdÉration AÉronautique Internationale |
| FAI | Field-Aligned Irregularity | 现场对齐不规则性 |
| FAI | First Aid Injury | 急救伤害 |
| FAI | Fire Arm Injury | 火灾手臂受伤 |