G91
G91 or G 91 stands for:
- Hydrocephalus (ICD-10 WHO code)
- Fred Lawrence Whipple Observatory (Observatory Code), Mt. Hopkins
- Liaozhong ring road
- Chain dimensioning (CNC code), see Computerized Numerical Control # Dimension types
- Group 91, see Herbert Rösler (artist)
G.91 stands for:
- Fiat G.91 , Italian airplane
