| RAC | Royal Automobile Club(UK) | 英国皇家汽车俱乐部 |
| RAC | Royal Aero Club | 皇家飞行俱乐部 |
| RAC | Rambus Asic Cell | Rambus集成电路单元 |
| RAC | Row Access Time | 行存取时间 |
| RAC | Random Access Control | 随机存取控制 |
| RAC | Race | 赛车类游戏 |
| RAC | Remote Accessory Control | 远传附件控制 |
| RAC | Railway Association of Canada | 加拿大铁路协会 |
| RAC | Rubber Association of Canada | 加拿大橡胶协会 |
| RAC | Reflexology Association of Canada (Winnipeg, MB, Canada) | 加拿大反射学协会（温尼伯，MB，加拿大） |
| RAC | Racine, WI USA - Batten Airport (Airport Code) | 美国威斯康星州拉辛-巴滕机场（机场代码） |
| RAC | Royal Automobile Club (UK) | 皇家汽车俱乐部（英国） |
| RAC | Recovery Audit Contractors (CMS, Medicare program) | 恢复审计承包商（CMS、医疗保险计划） |
| RAC | Reactor Accident Calculation | 反应堆事故计算 |
| RAC | Radiation Advisory Committee (EPA) | 辐射咨询委员会（EPA） |
| RAC | Regional Activity Center | 区域活动中心 |
| RAC | Risk Assessment Council | 风险评估委员会 |
| RAC | Radio Astronomy Controller | 无线电天文控制器 |
| RAC | Regional Agricultural College (Philippines) | 区域农业学院（菲律宾） |
| RAC | Remedy Authorized Consultant | 补救授权顾问 |
| RAC | Raw Agricultural Commodity | 原始农产品 |
| RAC | Rent-A-Coder (freelancer matching service) | 租码器（自由职业者匹配服务） |
| RAC | Research Advisory Committee | 研究咨询委员会 |
| RAC | Relocation Appraisers and Consultants, Inc. | 搬迁评估顾问公司。 |
| RAC | Royal Arch Chapter (Freemasonry) | 皇家拱门分会（共济会） |
| RAC | Recuperation and Care Unit (FDNY) | 疗养和护理室（FDNY） |
| RAC | Regional Air Commander | 地区空中指挥官 |
| RAC | Rules of the Air and Traffic Services | 航空和交通服务规则 |
| RAC | Radar Azimuth Converter | 雷达方位变换器 |
| RAC | Request for Authority to Contract | 合同授权请求 |
| RAC | Reservation Against Cancellation (Indian railways reservation) | 取消预订（印度铁路预订） |
| RAC | Regional Adjudication Center (US immigration) | 地区仲裁中心（美国移民） |
| RAC | Recent Average Credit (distributive computing) | 最近平均学分（分配计算） |
| RAC | Radar Area Correlation | 雷达面积相关性 |
| RAC | Routing and Access Controller (Telcordia) | 路由和访问控制器（Telcordia） |
| RAC | Real Application Cluster | 真实应用程序群集 |
| RAC | Riverine Assault Craft | 河流突击艇 |
| RAC | Air Post Postal Tax (Scott Catalogue prefix; philately) | 航空邮政税（斯科特目录前缀；集邮） |
| RAC | Regional Audit Consultant | 区域审计顾问 |
| RAC | Rehab and Care (FDNY unit) | 康复和护理（FDNY单位） |
| RAC | Reference Air Concentration | 参考空气浓度 |
| RAC | Reno Assistance Center (Nevada, USA) | 雷诺援助中心（美国内华达州） |
| RAC | Regulatory Affairs Certified | 监管事务认证 |
| RAC | Redmond Air Center (A Forest Service Smokejumper Base in Redmond, Oregon) | 雷德蒙德航空中心（俄勒冈州雷德蒙德的森林服务吸烟者基地） |
| RAC | Resident Agent in Charge | 负责常驻代理人 |
| RAC | Rural Assistance Center | 农村援助中心 |
| RAC | Republic Aviation Corporation | 共和国航空公司 |
| RAC | Routing Area Code | 路由区域代码 |
| RAC | Rehabilitation Accreditation Commission | 康复认证委员会 |
| RAC | Resource Assessment Commission | 资源评估委员会 |
| RAC | Registered Addiction Counselor | 注册成瘾顾问 |
| RAC | Reporting Activity Code | 报告活动代码 |
| RAC | Royal Agricultural College (Cirencester, UK) | 英国皇家农业学院 |
| RAC | Revenue Anticipation Certificate | 收入预期证书 |
| RAC | Requisition Advice Care | 请购通知关怀 |
| RAC | Regional Advisory Council (Canada) | 区域咨询委员会（加拿大） |
| RAC | Run After Catch (football) | 接球后跑（足球） |
| RAC | Research Advisory Council | 研究咨询委员会 |
| RAC | Rotaract | 扶轮青年团 |
| RAC | Readiness Acceptance Check | 准备就绪验收检查 |
| RAC | Royal Armoured Corps | 皇家装甲兵团 |
| RAC | Research Analysis Corporation | 研究分析公司 |
| RAC | Resident Advisory Council (Chamber of Commerce) | 居民咨询委员会（商会） |
| RAC | Recent Advances in Constraints | 约束的最新进展 |
| RAC | Retirement Annuity Contract (UK) | 退休年金合同（英国） |
| RAC | Regional Area Coordinator | 区域协调员 |
| RAC | Remote Access Computer | 远程访问计算机 |
| RAC | Riverside Athletic Club (Willimantic, CT) | 河滨体育俱乐部（康涅狄格州威利曼蒂克） |
| RAC | Refund Anticipation Check (tax refund) | 退款预期检查（退税） |
| RAC | Rigid Aluminum Conduit | 刚性铝导管 |
| RAC | Rigid Array Carrier (space shuttle) | 刚性阵列载体（航天飞机） |
| RAC | Rent-A-Center | 租赁中心 |
| RAC | Reliability Analysis Center | 可靠性分析中心 |
| RAC | Recombinant-DNA Advisory Committee | 重组DNA咨询委员会 |
| RAC | Regional Administrative Conference | 区域行政会议 |
| RAC | Ring Access Controller (Cisco) | 环形访问控制器（Cisco） |
| RAC | Risk Assessment Code | 风险评估代码 |
| RAC | Ryan Aeronautical Center | 瑞安航空中心 |
| RAC | Religious Action Center | 宗教行动中心 |
| RAC | Repair Action | 修复操作 |
| RAC | Room Air Conditioner | 房间空调器 |
| RAC | Ratchet and Clank (gaming) | 棘轮和叮当声（游戏） |
| RAC | Relative Angle Change | 相对角度变化 |
| RAC | Regional Agenda Conference | 区域议程会议 |
| RAC | Resource Allocation Committee | 资源分配委员会 |
| RAC | Regional Asbestos Coordinator | 区域石棉协调员 |
| RAC | Reject Action Code | 拒绝操作代码 |
| RAC | Right Antecubital (IV site) | 右肘前（IV部位） |
| RAC | Resource Availability Confirm (Cisco) | 资源可用性确认（Cisco） |
| RAC | Repair, Alignment & Calibration | 修理、对齐、校准 |
| RAC | Regimento de Artilharia de Costa | 科斯塔艺术团 |
| RAC | Radio Amateurs of/du Canada | 无线电爱好者的/杜加拿大 |
| RAC | Reserve Assignment Channel (Sprint) | 预留分配通道（Sprint） |
| RAC | Relay Access Card (Hekimian) | 中继访问卡（Hekimian） |
| RAC | Royal Air Corps | 英国皇家空军 |
| RAC | Reflective Array Compressor | 反射阵列压缩器 |
| RAC | Request Altitude Change | 请求高度更改 |
| RAC | Rapid Action Change | 快速行动变更 |
| RAC | Readiness Assistance Conservation | 战备援助保护 |
| RAC | Response Action Coordinator | 响应行动协调员 |