| OLA | oligonucleotide ligation assay | 寡核苷酸链接检测法 |
| OLA | Open Learning Agency | 公开成人教育中心 |
| OLA | Ontario Lung Association (Canada) | 安大略省肺协会(加拿大) |
| OLA | Ohio Lumbermen's Association | 俄亥俄州的伐木工人的协会 |
| OLA | Optical Laboratories Association | 光学实验室协会 |
| OLA | Ontario Library Association | 安大略省图书馆协会 |
| OLA | Oregon Library Association | 俄勒冈州图书馆协会 |
| OLA | Oklahoma Library Association | 俄克拉荷马州图书馆协会 |
| OLA | Ohio Library Association | 俄亥俄州图书馆协会 |
| OLA | Optical Laboratory Association | 光学实验室协会 |
| OLA | Office of the Lead Agent | 首席代理办公室 |
| OLA | Open Licensing Agreement | 开放许可协议 |
| OLA | Olympus Laboratory Automation | 奥林巴斯实验室自动化 |
| OLA | Output Level Adjust | 输出电平调整 |
| OLA | Online Authorization (implementation of EFT for POS systems) | 在线授权(POS系统EFT的实施) |
| OLA | Open Library Architecture (OpenEDA) | 开放库体系结构(OpenEDA) |
| OLA | On-Line Archive | 在线存档 |
| OLA | Open Learning Australia | 澳大利亚开放学习 |
| OLA | Operational Level Agreement | 运营水平协议 |
| OLA | Office of Legislative Affairs | 立法事务处 |
| OLA | Optical Link Amplifiers (Optivision) | 光链路放大器(Optivision) |
| OLA | Overlap and Add | 重叠和添加 |
| OLA | Office of Legal Affairs | 法律事务办公室 |
| OLA | occipitoltolaeva anterior | 枕前肌 |
| OLA | Orland, Norway | 挪威奥尔兰 |
| OLA | Oscar Larson & Associates | 奥斯卡•拉尔森和同事 |
| OLA | Open Lab Assignments | 打开实验室分配 |
| OLA | Organizacion Latino Americano | 拉丁美洲组织 |
| OLA | Objective, Listener, and Approach (Phone calls) | 目标、听众和方法(电话) |
| OLA | On-Line Accounting | 在线会计 |
| OLA | On Line Advertising | 在线广告 |
| OLA | Ontario Legislative Assembly | 安大略省立法议会 |
| OLA | Office of Legislative Audits | 立法审计办公室 |
| OLA | Optical Line Amplifiers (Ciena, Pirelli, NEC, Lucent) | 光线路放大器(Ciena、Pirelli、NEC、Lucent) |
| OLA | Object Layout Adaption | 对象布局自适应 |
| OLA | Operation Location Alpha | 操作位置Alpha |
| OLA | Other Liquid Assets | 其他流动资产 |
| OLA | Online Advertising, Inc. | 在线广告公司。 |
| OLA | Office of Legislative Analysis | 立法分析办公室 |
| OLA | Our Lady Assumption (school) | 圣母升天(学校) |
| OLA | Orlando Latin American | 奥兰多拉丁美洲 |
| OLA | Official Languages Act (Canada) | 《官方语言法》(加拿大) |
| OLA | Oligonucleotide Ligation Assay (method of testing for a specified mutation) | 寡核苷酸连接分析(特定突变的测试方法) |
| OLA | Ordnance Loading Apron | 军械装载停机坪 |
| OLA | Official Languages Agency (Hong Kong) | 官方语言局(中国香港) |
| OLA | On Line Auction (website) | 在线拍卖(网站) |
| OLA | On-Line Academy | 在线学院 |
| OLA | Ordnance Loading Area | 军械装载区 |
| OLA | Operating Level Agreement (information technology services) | 操作级别协议(信息技术服务) |
| OLA | Our Lady of the Angels (Chicago, IL Catholic school) | 我们的天使夫人(芝加哥,伊利诺伊州天主教学校) |
| OLA | One Letter Acronym | 单字母缩写 |