Green flag
Green flag stands for:
- the flag of the Fatimids
- the basic color of many flags of Islamic states, see flag # Farben_als_Symbol_der_Verbundheit
- Flag symbols in motorsport, see list of flag symbols in motorsport # Green flag
- a starboard mark in regattas, see flag alphabet # signal table
- a Herero group in Namibia, see Herero # description