| PBO | polybenzoxazole | 聚苯并噁唑 |
| PBO | Private Banking Online | 网上私人银行 |
| PBO | Personal Banking Officer | 个人银行业务专员 |
| PBO | Priority Banking Officer | 优先银行业务官 |
| PBO | Paraburdoo, Western Australia, Australia - Paraburdoo (Airport Code) | Paraburdoo，西澳大利亚州，澳大利亚-Paraburdou（机场代码） |
| PBO | Plan, Build and Operate | 规划、建造和运营 |
| PBO | Performance Based Organization | 基于绩效的组织 |
| PBO | Packed By Owner (shipping label) | 由所有者包装（装运标签） |
| PBO | Pre-Birth Order (legal adoption order) | 预出生令（合法收养令） |
| PBO | Pocket Box Office (mobile games by Airborne Entertainment, Inc.) | 袖珍票房（Airborne Entertainment，Inc.的手机游戏） |
| PBO | Portland Baroque Orchestra (Oregon) | 波特兰巴洛克乐团（俄勒冈州） |
| PBO | Plan and Budget Organization (Iran) | 计划与预算组织（伊朗） |
| PBO | Practical Boat Owner | 实用船主 |
| PBO | Poly-Paraphenylene-2 6-Benzobisoxazole (Zylon) | 聚对苯撑-2-6-苯并二恶唑（Zylon） |
| PBO | Piperonyl Butoxide | 环氧乙烷 |
| PBO | Plate Boundary Observatory | 板块边界观测实验室 |
| PBO | Property Book Officer | 财产登记官 |
| PBO | Placebo | 安慰剂 |
| PBO | Lead Oxide | 氧化铅 |
| PBO | Prescribed Brand Only | 仅限指定品牌 |
| PBO | Pension Buyout Obligation | 养老金收购义务 |
| PBO | Prevent Blindness Ohio | 防止失明俄亥俄州 |
| PBO | Projected Benefit Obligation (pension plan accounting) | 预计福利义务（养老金计划会计） |
| PBO | Profiler Binary Output (MS Source Profiler) | 探查器二进制输出（MS源探查器） |
| PBO | Paraburdoo, Western Australia, Australia | Paraburdoo，西澳大利亚州，澳大利亚 |
| PBO | Pine Bluff Observatory | 松崖天文台 |
| PBO | Pin Bones Out | 锁定骨骼 |
| PBO | Personal Business Objective | 个人业务目标 |
| PBO | Particle Beam Optics | 粒子束光学 |
| PBO | Pin Bone Out | 固定骨骼输出 |
| PBO | Packed By Owner | 按所有者打包 |
| PBO | Projected Benefit Obligation | 预计福利义务 |
| PBO | Portland Baroque Orchestra | 波特兰巴洛克乐团 |
| PBO | Pittsboro, NC | 北卡罗来纳州匹兹堡 |
| PBO | Performance Based Objective | 基于绩效的目标 |
| PBO | People & Business OnLine | 人们和网上业务 |
| PBO | lead(plumbum)monoxide | 一氧化铅（铅） |
| PBO | penicillin in beeswax and oil | 蜂蜡和油中的青霉素 |
| PBO | Public Benefit Organization | 公益组织 |
| PBO | Power Back Off | 电源后退关闭 |
| PBO | Process Before Output | 输出前处理 |
| PBO | Philharmonia Baroque Orchestra (San Francisco, CA) | 巴洛克爱乐乐团（加利福尼亚州旧金山） |
| PBO | President Barack Obama | 巴拉克·奥巴马总统 |
| PBO | Publiekrechtelijke Bedrijfsorganisatie | 组织学出版物 |
| PBO | Polarized Born-Oppenheimer | 极化玻恩-奥本海默 |
| PBO | Program & Budget Office | 计划和预算办公室 |
| PBO | Penicillin in Beeswax | 蜂蜡中的青霉素 |
| PBO | Polymorphic Buffer Overflow (security attack) | 多态缓冲区溢出（安全攻击） |
| PBO | Presiding Bishop's Office (LDS church) | 主教的办公室(摩门教的教堂) |
| PBO | Profit Before Overhead | 管理费前利润 |