| COOL | Consortium of Ontario Libraries | 安大略图书馆联盟 |
| COOL | Crisis Over Outrageous Law | 暴力法律危机 |
| COOL | Chinese Object Oriented Language | 中文面向对象语言 |
| COOL | Character Object Oriented Lessons | 面向角色的课程 |
| COOL | Constipated Overweight Old Lady | 过度肥胖的老太太 |
| COOL | Clips Object-Oriented Language | Clips面向对象语言 |
| COOL | Country of Origin Labeling | 原产国标签 |
| COOL | Campus Outreach Opportunities League | 校园外展机会联盟 |
| COOL | Calendar of Optimal Learning (Lincoln School schedule; Cadillac, MI) | 最佳学习日历（林肯学校时间表；密歇根州凯迪拉克） |
| COOL | (I have a) Call On Other Line | （我有一个）其他电话 |
| COOL | Chorus Object Oriented Layer | Chorus面向对象层 |
| COOL | COntrol-Oriented Language | 面向控制的语言 |
| COOL | Constipated Overrated Outtastyle Loser | 过度肥胖的外向型失败者 |
| COOL | Chapter Officers Optimizing Lead | 章节管理人员优化领导 |
| COOL | Ceres Object Oriented Library | Ceres面向对象库 |
| COOL | Clear Ongoing Open Library | 清除正在进行的开放库 |
| COOL | Church On Our Level | 教会在我们的层面 |
| COOL | Chance of Optimal Leverage | 最佳杠杆的机会 |
| COOL | Coolant | 冷却液 |
| COOL | CheckOut-Oriented language | 面向签出的语言 |
| COOL | Constipated Overweight Out-of-style Loser | 过度肥胖的过时屌丝 |
| COOL | Commerce Opportunities On-Line | 在线商机 |
| COOL | Canberra's Own Outstanding List | 坎培拉的杰出的列表 |
| COOL | Commerce Opportunities On Line | 在线商机 |
| COOL | Constipated Overall Overweighted Loser | 参与式整体超重失败者 |
| COOL | Conservation Online | 在线保护 |
| COOL | Children Overcoming Outstanding Loss | 克服重大损失的儿童 |
| COOL | Cool Oozy Overweighted Loser | 酷Oozy超重屌丝 |
| COOL | Christ Over Our Lives | 基督在我们的生命中 |
| COOL | Construction Opportunities On Line | 在线施工机会 |
| COOL | Christ Ordering Our Lives | 基督命令我们的生活 |
| COOL | Confederation Of Old Limatians | 旧利马人联合会 |
| COOL | Cooperative Opportunity For Online Learning | 在线学习的合作机会 |
| COOL | Climate Options for the Long Term | 长期气候选择 |
| COOL | Children Of Our Lord | 我们主的儿女 |
| COOL | USAF Programs Connected With Alaskan Air Command | 美国空军计划与阿拉斯加空军司令部 |
| COOL | Credentialing Opportunities Online (US Army) | 在线认证机会（美国陆军） |
| COOL | C Object Oriented Language | C面向对象语言 |
| COOL | Christ Our Only Leader | 基督我们唯一的领袖 |
| COOL | Cyberian Outpost, Inc. | Cyberian Outpost公司。 |
| COOL | Campus Outreach Opportunity League | 校园外展机会联盟 |
| COOL | Central Online and Open Access Library | 中央在线和开放存取图书馆 |
| COOL | College Opportunities On Line | 在线大学机会 |
| COOL | Christian Outreach Of Lutherans | 路德教会的基督教外联 |
| COOL | Coastal Ocean Observation Laboratory (Rutgers University Institute of Marine and Coastal Sciences) | 海岸海洋观测实验室（罗格斯大学海洋与海岸科学研究所） |
| COOL | Clerk's Office On Line | 职员办公室就行 |
| COOL | Calculus Offered On Line | 在线提供微积分 |
| COOL | Community Of Online Learners | 在线学习者社区 |
| COOL | Contrived Object Oriented Language | 创新的面向对象语言 |
| COOL | Christ Our Only Lord | 基督我们唯一的主 |
| COOL | COBOL Object-Oriented Language | COBOL面向对象语言 |
| COOL | Clean Our Okanagan Lake | 清洁我们的Okanagan湖 |
| COOL | Community Of Outstanding Learners | 优秀学习者社区 |
| COOL | Career Options On Line | 在线职业选择 |
| COOL | Constipated Overweighted Out-Of-Style Loser | 身材臃肿的过时屌丝 |
| COOL | Comprehensive Object Oriented Learning | 全面的面向对象学习 |
| COOL | Christ Over Our Life | 基督在我们的生命中 |