| SERO | Sekundaerrohstoffe (recycling, former GDR) | Sekundaerrohstoffe（回收，前GDR） |
| SERO | Site Emergency Response Organisation (nuclear) | 现场应急组织（核） |
| SERO | System Engineering/Engineer Release Order | 系统工程/工程师发放定单 |
| SERO | Southeast Regional Office | 东南区域办事处 |
| SERO | Syringe Exchange Resources Online | 在线注射器交换资源 |
| SERO | Serologicals Corporation | 血清学公司 |