G20 (disambiguation)
- BMW 3 Series (G20)
- Bendix G-20
- Chase XG-20
- Chevrolet Van
- County Route G20 (California)
- G-code
- G20
- G20 (film)
- G20 Qingdao–Yinchuan Expressway
- G20 Research Group
- G20 Schools
- G20 developing nations
- Ginetta Cars
- Ginetta Junior Championship
- Gribovsky G-20
- Grumman JF Duck
- Infiniti G-series (Q40/Q60)
- List of G20 summits
- Maryhill