| SEAD | Society for Ecumenical Anglican Doctrine | 普世圣公会教义协会 |
| SEAD | Suppression of Enemy Air Defenses | 压制敌方防空 |
| SEAD | Secure Efficient Ad-Hoc Distance Vector (routing protocol) | 安全高效的Ad Hoc距离向量（路由协议） |
| SEAD | Software Encryption Algorithm for Data Services | 数据服务的软件加密算法 |
| SEAD | Support And Education For Alzheimer Disease | 阿尔茨海默病的支持和教育 |
| SEAD | Salzburg Experimental Academy of Dance (Salzburg, Austria) | 萨尔茨堡实验舞蹈学院（奥地利萨尔茨堡） |
| SEAD | Subtle Energy Activation Device | 微妙的能量激活装置 |
| SEAD | South East Airsoft Division | 东南航空软件部 |
| SEAD | Sanders Eating A Donut | 桑德斯吃甜甜圈 |
| SEAD | Seneca Army Depot | 塞内卡陆军仓库 |
| SEAD | Summer Enrichment At Dartmouth | 达特茅斯夏季丰富课程 |
| SEAD | Shear Enhanced Anaerobic Digestion | 剪切强化厌氧消化 |
| SEAD | Supression Of Enemy Air Defenses | 压制敌方防空 |
| SEAD | Systems Engineering And Analysis Division | 系统工程与分析部 |
| SEAD | Study Of Estrogen Activity And Development | 雌激素活性与发育的研究 |
| SEAD | Space Station Early Assembly Demonstration | 空间站早期组装演示 |
| SEAD | South East Arkansas Directories | 阿肯色州东南部董事会 |
| SEAD | Simplified Erection Aid Device | 简易安装辅助装置 |
| SEAD | Sun Earth Atmosphere and the Dream (band) | 太阳地球大气与梦想（乐队） |
| SEAD | Small Economic Activity Development | 小型经济活动发展 |