| PAL | Pallet/skid | 栈板 |
| PAL | Phase Alternation Line | 逐行倒相制（电视） |
| PAL | Pinhole Alc Lons | 针孔型自动亮度控制镜头 |
| PAL | Phase Alternating Line | 相位互換線路規格 |
| PAL | PRESSURE ALARM LOW | 压力低报 |
| PAL | Pathology Associates of Lexington, PA (West Columbia, SC) | 宾夕法尼亚州列克星敦病理学协会（南卡罗来纳州西哥伦比亚） |
| PAL | Prescription Access Litigation Project | 处方获取诉讼项目 |
| PAL | Peninsula Athletic League (San Francisco Bay Area) | 半岛体育联盟（旧金山湾区） |
| PAL | Phase Alternation Line (television format) | 相位转换线（电视格式） |
| PAL | Public Archaelogy Laboratory (Cultural Resources Identification) | 公共考古实验室（文化资源鉴定） |
| PAL | Poverty Action Lab | 贫困行动实验室 |
| PAL | Process Architecture Lab | 过程架构实验室 |
| PAL | Perceptive Assistant That Learns (DARPA) | 学习感知助理（DARPA） |
| PAL | Polyvalente de l'Ancienne-Lorette (Quebec, Canada) | Polyvalente de fixation 'Ancienne-Lorette(加拿大魁北克) |
| PAL | Prescribed Action Link | 规定的操作链接 |
| PAL | Purpose, Agenda, Limit | 目的、议程、限制 |
| PAL | Police Athletic League | 警察运动联盟 |
| PAL | Platform Adaptation Layer (OS abstraction layer used to port the Microsoft Shared Source Implementation) | 平台适配层（用于移植Microsoft共享源代码实现的OS抽象层） |
| PAL | Practice Area Leader | 实践区负责人 |
| PAL | Public Ada Library | 公共Ada图书馆 |
| PAL | Possession and Acquisition License | 占有和收购许可证 |
| PAL | Peace and Love | 和平与爱 |
| PAL | Peace At Last | 最后的和平 |
| PAL | Preliminary/Publications Allowance List | 初步/出版物津贴列表 |
| PAL | Parolee At Large (criminal justice) | 假释在逃（刑事司法） |
| PAL | Parent/Professional Advocacy League (Massachusetts, USA) | 父母/专业宣传联盟(美国麻州) |
| PAL | Parts Accumulation List | 零件累积列表 |
| PAL | Paducah and Louisville Railway | 帕杜卡和路易斯维尔铁路 |
| PAL | Procedure Abstraction Language | 过程抽象语言 |
| PAL | Pre-Affiliation Lists | 加入前列表 |
| PAL | Point and Laugh | 指向并笑 |
| PAL | Parcel Air Lift | 包裹空运 |
| PAL | Plan Account Line | 计划科目行 |
| PAL | Preliminary Action Level | 初步行动级别 |
| PAL | Polyanaline | 聚萘啶 |
| PAL | Permissive Action Link | 许可动作链接 |
| PAL | Picture Always Lousy | 图片总是很难看 |
| PAL | Positron Annihilation Lifetime | 正电子湮没寿命 |
| PAL | Palaic (linguistics) | 古语（语言学） |
| PAL | Plantwide Applicability Limit (EPA New Source Review regulations) | 全厂适用性限值（EPA新来源审查规定） |
| PAL | Pre-Affiliated List | 预关联列表 |
| PAL | Protected Alveolar Lavage | 受保护的肺泡灌洗 |
| PAL | Panzerabwehr Lenkwaffe (Anti Tank Missile) | Panzerabwehr Lenkwffe（反坦克导弹） |
| PAL | Color palette | 调色板 |
| PAL | posterior axillary line | 腋后线 |
| PAL | pathology laboratory | 病理学实验室 |
| PAL | photoaffinity labelling | 光亲和性标记 |
| PAL | product of activated lymphocyte | 活化淋巴细胞产物 |
| PAL | phenylalnine ammonialyase | 苯丙氨酸解氨酶 |
| PAL | Pohang Accelerator Laboratory | 浦项加速器实验室 |
| PAL | Peer ALliance (Toronto, Canada Chinese youth volunteer organisation) | Peer ALliance（加拿大多伦多华人青年志愿者组织） |
| PAL | palata,palate | 腭，腭 |
| PAL | Pahlavi | 巴列维 |
| PAL | Phase Alternate Line | 相位交替线 |
| PAL | Programmatic Adjustment Loan | 计划调整贷款 |
| PAL | Performance Assessment Laboratory | 性能评估实验室 |
| PAL | Program for Alternative Learners | 替代学习者计划 |
| PAL | Participative Active Learning | 参与式主动学习 |
| PAL | Progressive Addition Lenses | 渐进添加透镜 |
| PAL | Partnership Approach to Literacy | 扫盲伙伴关系方法 |
| PAL | Power- Assisted Liposuction | 动力辅助吸脂 |
| PAL | Products Accepted List | 接受的产品列表 |
| PAL | Parcel Airlift Service (USPS) | 包裹空运服务（USPS） |
| PAL | Paradox Application Language | Paradox应用程序语言 |
| PAL | Pilot Activated Lighting | 飞行员激活照明 |
| PAL | Provincial Airlines Limited | 省航空有限公司 |
| PAL | Personnel Airlock | 人员气闸 |
| PAL | Price/Availability List | 价格/供货表 |
| PAL | Pre-enrolled Access Lane | 预先登记的通道 |
| PAL | Programmable Array Logic | 可编程阵列逻辑 |
| PAL | Publication Applicability List | 出版物适用性列表 |
| PAL | pyridoxal | 吡哆醛 |
| PAL | Precise Account Locator | 精确账户定位器 |
| PAL | Platform Abstraction Layer | 平台抽象层 |
| PAL | Phone Access Lookup (software to locate dial-up access telephone numbers) | 电话访问查找（查找拨号访问电话号码的软件） |
| PAL | Process Assets Library | 流程资产库 |
| PAL | Permissible Alcohol Limit | 允许酒精限值 |
| PAL | Passive Activity Loss | 被动活动损失 |
| PAL | Process Asset Library | 流程资产库 |
| PAL | Project Assignment Letter | 项目任务书 |
| PAL | Programming Assembly Language | 编程汇编语言 |
| PAL | Partner Access onLine (Cisco) | 合作伙伴在线访问（Cisco） |
| PAL | Pack A Lip | 包装A唇部 |
| PAL | Porting & Abstraction Lab | 移植和抽象的实验室 |
| PAL | Paladin (Everquest) | 圣骑士（Everquest） |
| PAL | Purdue Airlink | 普渡航空公司 |
| PAL | Parents Are Listening | 父母在倾听 |
| PAL | Personnel Allowance List | 人员津贴清单 |
| PAL | Penetration Aid Launcher | 穿透辅助发射器 |
| PAL | Provisionally Accredited Levee (US Federal Emergency Management Agency) | 临时认证的征税人（美国联邦应急管理局） |
| PAL | Progressive Addition Lens (seamless multifocal optical lens) | 渐进添加透镜（无缝多焦点光学透镜） |
| PAL | Protection At Lightpath | Lightpath处的保护 |
| PAL | Pressure Acid Leach | 压力酸浸 |
| PAL | Protuberance Air Load | 突出空气负荷 |
| PAL | Police Activities League (youth resource organization) | 警察活动联盟（青年资源组织） |
| PAL | Placement Assistance List | 安置协助列表 |
| PAL | Possession & Acquisition License (Canada firearms license) | 控球和收购许可证(加拿大武器许可) |
| PAL | Purpose, Agenda, and Logistics | 目的、议程和后勤 |
| PAL | Pool Allowance | 游泳池津贴 |
| PAL | Permanent Artificial Lighting | 永久人工照明 |