| OASD | Office of the Assistant Secretary of Defense | 助理国防部长办公室 |
| OASD | Option Adjusted Spread Duration | 期权调整价差持续时间 |
| OASD | Albinism, Ocular, with Late-Onset Sensorineural Deafness | 白化病，眼部，迟发性感觉神经性耳聋 |
| OASD | Oconomowoc Area School District (Wisconsin) | Oconomooc地区学区（威斯康星州） |
| OASD | Old Age Survivors and Disability (Insurance) | 老年遗属和残疾（保险） |
| OASD | Oshkosh Area School District (Wisconsin) | 奥什科什地区学区（威斯康星州） |