| FAB | Fire Alarm Bell | 火警警铃 |
| FAB | The Flour Advisory Bureau | 面粉咨询委员会（美国） |
| FAB | Foreign Affairs Bureau | 外事处 |
| FAB | Fiber Array Block | 光纤阵列块 |
| FAB | Fast Atom Bombardment | 快原子轰击 |
| FAB | FirstFed America Bancorp, Inc. | 美国第一联邦银行。 |
| FAB | FURY (Fellowship of United Reformed Youth) Advisory Board | 联合改革青年协会咨询委员会 |
| FAB | Florida Association of Broadcasters | 佛罗里达广播协会 |
| FAB | Fast And Bulbous | 快速和灯泡 |
| FAB | Fine Art on Broadway | 百老汇美术馆 |
| FAB | Fresh Air Base (deep mine rescue) | 新鲜空气基地（深坑救援） |
| FAB | Financial Assurance Board | 财务保证委员会 |
| FAB | Fully Advised and Briefed (Thunderbirds TV show) | 充分建议和简要介绍（雷鸟电视节目） |
| FAB | Filter, Air, Bag | 空气袋过滤器 |
| FAB | Field Artillery Brigade | 野战炮兵旅 |
| FAB | FundaciÓn Amigos de los Bosques | FundaciÓn Amigos de los Bosques |
| FAB | Final Atomic Buster (gaming) | 最终原子破坏者（游戏） |
| FAB | Fernando Air Base (Lipa City, Batangas, Philippines) | 费尔南多空军基地（菲律宾巴坦加斯利帕市） |
| FAB | fresh autologous blood | 新鲜自体血 |
| FAB | Feline Advisory Board | 猫科动物咨询委员会 |
| FAB | Fairness and Accountability in Broadcasting Act | 广播法中的公平与责任 |
| FAB | fragment,antigen binding | 抗原结合片段 |
| FAB | formalin ammonium bromide | 福尔马林溴化铵 |
| FAB | functional arm brace | 功能性手臂支撑 |
| FAB | antigen-binding fragment | 抗原结合片段 |
| FAB | French American British | 法国-美国-英国 |
| FAB | Food And Beverage | 食品和饮料 |
| FAB | Feline Advisory Bureau | 猫科动物咨询局 |
| FAB | Fast Active Builder | 快速活动生成器 |
| FAB | Fighting Against Bullying | 对抗欺凌 |
| FAB | Fully Acknowledged Broadcast | 完全确认的广播 |
| FAB | Features, Accomplishments, And Benefits | 特点、成就和好处 |
| FAB | File Attribute Block | 文件属性块 |
| FAB | Friends, Associates, Benefactors | 朋友、同事、受益人 |
| FAB | Features-Attributes-Benefits | 功能属性优点 |
| FAB | Field Assistance Branch | 外勤援助处 |
| FAB | Facility Authorization Basis | 贷款授权依据 |
| FAB | Fixed Action Button | 固定操作按钮 |
| FAB | Antigen Binding Fragment (immunology) | 抗原结合片段（免疫学） |
| FAB | Fragment of Immunoglobulin prepared by Papain Treatment | 木瓜蛋白酶处理制备的免疫球蛋白片段 |
| FAB | Familie Als Berufung (German) | Familie Als Berufung（德语） |
| FAB | Fabrication Plant (semiconductors) | 制造厂（半导体） |
| FAB | Frequency Availability Broadcast | 频率可用性广播 |
| FAB | Forward Air Base | 前进空军基地 |
| FAB | Fine Arts Building | 美术大楼 |
| FAB | Forward and Beyond (Vitalij Kuprij instrumental music album) | 前进与超越（Vitalij Kuprij器乐专辑） |
| FAB | French-American-British (classification of leukemia) | 法裔美国人英国人（白血病分类） |
| FAB | Força AÉrea Brasileira | Força AÉrea Brasileira |
| FAB | Freshman Advisory Board (student organization) | 新生咨询委员会（学生组织） |
| FAB | Faugh-An-Ballagh (Gaelic: Clear the Way) | 福格·安巴拉（盖尔语：扫清道路） |
| FAB | Flight Assignment Baseline | 航班分配基线 |
| FAB | Fuel Air Bomb | 燃料空气弹 |
| FAB | Family Allowance, Class B | 家庭津贴，B类 |
| FAB | Flavoured Alcoholic Beverage | 风味酒精饮料 |
| FAB | Fresh, Artistic, and Brilliant | 清新、艺术和辉煌 |
| FAB | Forward Angle Bracket | 前角括号 |
| FAB | Fragment Antigen Binding | 片段抗原结合 |
| FAB | Fungi Algae Bacteria | 真菌藻类细菌 |
| FAB | Frequency Allocation Board | 频率分配板 |
| FAB | Free And Acceptably Behaved | 自由和可接受的行为 |
| FAB | French American and British classification scheme for leukaemia | 法国-美国和英国白血病分类方案 |
| FAB | Finance Advisory Board | 财务咨询委员会 |
| FAB | Fulfillment Assurance And Billing | 履行保证和计费 |
| FAB | Fight Against Bullying | 对抗欺凌 |
| FAB | Ferries And Buses | 渡轮和公共汽车 |
| FAB | Fontbonne Activities Board | 丰博讷活动委员会 |
| FAB | Food And Booze | 食物和Booze |
| FAB | Fun At Begbrook | Begbrook的乐趣 |
| FAB | Friends Against Bullying | 反对欺凌的朋友 |
| FAB | Fifties And Beyond | 五十岁及以后 |
| FAB | Feature Advantage And Benefit | 功能优势和优势 |
| FAB | Feature Advantage Benefit | 功能优势优势 |
| FAB | Fresh Across The Border | 新鲜跨界 |
| FAB | Fulfillment, Assurance, and Billing (operational process areas for Telecommunication Service Providers) | 履行、保证和计费（电信服务提供商的操作流程领域） |
| FAB | Features Advantages and Benefits | 特点优点和优点 |
| FAB | Fugasnaya Awiatsyonna Bomba (Russian Federation Air Force series of general purpose freefall iron bmbs) | Fugasnaya Awiatsyonna Bomba（俄罗斯联邦空军通用自由落体铁bmb系列） |
| FAB | Fabrication | 制作 |
| FAB | Functional Airspace Block (Single European Sky) | 功能空域块（单一欧洲天空） |
| FAB | Fire Advisory Board | 消防咨询委员会 |
| FAB | Field Artillery Board | 野战炮兵委员会 |
| FAB | First Aid Box | 急救箱 |
| FAB | Fire Alarm Box | 火灾报警箱 |
| FAB | Fabulous | 极好的 |
| FAB | Futures After Birth (UK program for teen parents) | 出生后的未来（英国青少年父母计划） |
| FAB | For A Bit | 对于一点点 |
| FAB | Forward Avionics Bay | 前进航空电子湾 |
| FAB | Fully Acknowledged Broadcast (Thunderbirds TV series) | 完全认可的广播（雷鸟电视剧） |