| ASTD | American Society of Training and Development (Alexandria, Virginia) | 美国培训与发展协会（弗吉尼亚州亚历山大市） |
| ASTD | American Society for Training and Development | 美国培训与发展协会 |
| ASTD | Associate of the Society of Typographic Designers | 印刷设计师协会副会长 |
| ASTD | Antiship Torpedo Defense (System) | 反舰鱼雷防御（系统） |
| ASTD | Air Supported Threat Defense | 有空中支援的威胁防御 |
| ASTD | Air-Sea Temperature Difference | 海气温差 |
| ASTD | Activity-Related Soft Tissue Disorder (overuse or repetitive strain injuries) | 活动相关软组织疾病（过度使用或重复劳损） |
| ASTD | Advanced Systems and Technology Department (NASA) | 先进系统与技术部（NASA） |
| ASTD | Always Something To Do | 总是有事要做 |