| GRASS | Germinating Ray-Acoustics Simulation System | 萌芽射线声学模拟系统 |
| GRASS | Geographic Resources Analysis Support System | 地理资源分析支持系统 |
| GRASS | Graphical Representation and Analysis of Structure Server | 结构服务器的图形表示与分析 |
| GRASS | Generalized Reactor Analysis Subsystem | 广义反应器分析子系统 |
| GRASS | Generally Regarded As Somewhat Safe | 一般认为安全 |