| SEAS | School of Environmental & Applied Sciences | 环境与应用科学学校 |
| SEAS | Scuba Explorers And Adventurers Society | 水肺探险家和冒险者协会 |
| SEAS | Schreck Environmental Awareness Society, Corp. | Schreck环境意识协会。 |
| SEAS | Student Engineering Advisement System (University of New Orleans) | 学生工程咨询系统（新奥尔良大学） |
| SEAS | Synthetic Environments For Analysis And Simulation | 用于分析和仿真的合成环境 |
| SEAS | Software Engineering and Assessment Services | 软件工程和评估服务 |
| SEAS | South Essex Aids Support | 南埃塞克斯郡艾滋病支持 |
| SEAS | Ship/Equipment/Alterations Summary | 船/设备/修改总结 |
| SEAS | Supply Effectiveness Audit Summary | 供应有效性审计总结 |
| SEAS | Student Experiments At Sea | 学生海上实验 |
| SEAS | Signaling System Engineering and Administration System | 信号系统工程与管理系统 |
| SEAS | Synthetic Environments For Analysis And Simulations | 用于分析和仿真的合成环境 |
| SEAS | Shipboard Environmental Data Acquisition System | 船舶环境数据采集系统 |
| SEAS | SociÉtÉ EuropÉenne d'Alliages pour la SidÉrurgie (French ferro-alloy producer) | SociÉtÉ EuropÉenne d'Alliages pour la SidÉrurgie (French ferro-alloy producer) |
| SEAS | The School Of Engineering And Applied Science | 工程与应用科学学院 |
| SEAS | Second Annual Educational Seminar | 第二届年度教育研讨会 |
| SEAS | Selective Armament Subsystem | 选择性武器装备子系统 |
| SEAS | Software Engineering for Automotive Systems (workshop) | 汽车系统软件工程（车间） |
| SEAS | Surveillance Environmental Acoustic Support | 监测环境声学支持 |
| SEAS | Systems Engineering and Analysis Support | 系统工程与分析支持 |
| SEAS | Shipboard Environmental Data Acquisition Systems | 船舶环境数据采集系统 |
| SEAS | System Effectiveness Analysis Simulation | 系统效能分析仿真 |
| SEAS | Structured Evidential Argumentation System (SRI Artificial Intelligence Center research project) | 结构化证据论证系统（SRI人工智能中心研究项目） |
| SEAS | Selected Ammunition Study | 选定弹药研究 |
| SEAS | Solar Energy Association of Sweden (Swedish: Svenska solenergiföreningen) | Solar Energy Association of Sweden (Swedish: Svenska solenergiföreningen) |
| SEAS | Scandinavian Electro Acoustic Systems (Norwegian loudspeaker manufacturer) | 斯堪的纳维亚电声系统（挪威扬声器制造商） |
| SEAS | Selected Effects Armament System | 选择效果武器系统 |
| SEAS | Synthetic Environment for Analysis and Simulation (Simulex) | 分析与仿真综合环境（Simulex） |
| SEAS | Support Equipment Avionics System | 支持设备航空电子系统 |
| SEAS | Space Energy Access Systems Inc | 航天能源接入系统公司 |
| SEAS | St. Elizabeth Ann Seton School (Anchorage, Alaska) | 圣伊丽莎白安塞顿学校（阿拉斯加州安克雷奇） |
| SEAS | Strategic Environmental Assessment System | 战略环境评估系统 |
| SEAS | System Enhancement And Support | 系统增强和支持 |
| SEAS | Students for Environmental Action At Stanford | 斯坦福大学环境行动学生 |
| SEAS | School of Engineering and Applied Science | 工程与应用科学学院 |