| RBA | Ranger Body Armor. | 游骑兵使用的单兵装甲 |
| RBA | Relative Byte Address | 相对字节地址 |
| RBA | Royal Brunei Airlines (ICAO code) | 文莱皇家航空公司(ICAO代码) |
| RBA | Reserve Bank of Australia | 澳大利亚储备银行 |
| RBA | Retailer's Bakery Association (Laurel, Maryland) | 零售商的面包店协会(月桂树、马里兰) |
| RBA | Reproduction Biology Associates, Atlanta, Georgia | 生殖生物学协会,佐治亚州亚特兰大 |
| RBA | Retailer's Bakery Association | 零售商的面包店协会 |
| RBA | Rabat, Morocco - Sale (Airport Code) | 摩洛哥拉巴特-销售(机场代码) |
| RBA | Richmond Baseball Association | 里士满棒球协会 |
| RBA | Royal Society of British Artists (London, UK) | 英国皇家艺术家协会(英国伦敦) |
| RBA | Rights-Based Approach | 基于权利的方法 |
| RBA | Repeat and Blockwise Accumulate (Code) | 重复和分块累加(代码) |
| RBA | Reimbursable Budget Authority | 可报销预算权限 |
| RBA | Retail Bakers of America (McLean, Virginia) | 美国零售面包店(弗吉尼亚州麦克林) |
| RBA | Run Book Automation | 运行手册自动化 |
| RBA | Rescue Breathing Apparatus | 救援呼吸器 |
| RBA | Rochester Business Alliance | 罗切斯特商业联盟 |
| RBA | Reentry Body Assembly | 再入体组件 |
| RBA | Rehoboth Baptist Association | Rehoboth浸信会 |
| RBA | Risk Based Approach | 基于风险的方法 |
| RBA | Rare Bird Alert | 稀有鸟类警报 |
| RBA | Revolution in Business Affairs | 商业事务革命 |
| RBA | Response-Time-Based Best-Effort Resource Allocation | 基于响应时间的尽力而为资源分配 |
| RBA | Radiological Buffer Area | 辐射缓冲区 |
| RBA | Ready Basic Aircraft (Naval Aviation Entreprise) | 预备基本飞机(海军航空企业) |
| RBA | right basilar artery | 右基底动脉 |
| RBA | radiobioassay | 放射性生物测定 |
| RBA | reverse brdu acridine orange band | 反向brdu吖啶橙带 |
| RBA | Rapidbase Basic Archive | Rapidbase基础档案 |
| RBA | Receptor Binding Assay | 受体结合测定 |
| RBA | Rabat, Morocco | 摩洛哥拉巴特 |
| RBA | Ritchie Brothers Auctioneers, Inc. | 里奇兄弟拍卖公司。 |
| RBA | Revolution By Assassination | 暗杀革命 |
| RBA | Redwood Bluegrass Associates | Redwood Bluegrass Associates公司 |
| RBA | Radar Beacon Acquisition | 雷达信标采集 |
| RBA | Red Blooded American | 红血美国人 |
| RBA | Regionalbus Augsburg GmbH (German) | Regionalbus Augsburg GmbH(德国) |
| RBA | Royal Bhutan Army | 不丹王军 |
| RBA | rose bengal antigen | 玫瑰红孟加拉糖抗原 |
| RBA | Refined Born Approximation | 精细玻恩近似 |
| RBA | retrobulbar anaesthesia | 球后麻醉 |
| RBA | radiomicrobiological assay | 放射性微生物测定 |
| RBA | Rentable Building Area (commercial real estate) | 可出租建筑面积(商业地产) |
| RBA | right brow anterior position | 右眉前位 |
| RBA | Ranger Body Armor | 游侠防弹衣 |
| RBA | Richmond Baptist Association | 里士满浸信会 |
| RBA | Radio Base-Station Antenna | 无线电基站天线 |
| RBA | Reservation-Based Algorithm | 基于预约的算法 |
| RBA | Reduced Bias Adjustment | 减少偏差调整 |
| RBA | Regional Brevet Administrator (Randonneurs USA) | 区域Brevet管理员(Randonneurs USA) |