Jan Mayen
the flag of Norway is used
Japan
white with a large red disk (representing the sun without
rays) in the center
Jarvis Island
the flag of the US is used
Jersey
white with a diagonal red cross extending to the corners of
the flag and in the upper quadrant, surmounted by a yellow crown, a
red shield holding the three lions of England in yellow
Johnston Atoll
the flag of the US is used
Jordan
three equal horizontal bands of black (top, the Abbassid
Caliphate of Islam), white (the Ummayyad Caliphate of Islam), and
green (the Fatimid Caliphate of Islam) with a red isosceles triangle
(representing the Great Arab Revolt of 1916) based on the hoist side
bearing a small white seven-pointed star symbolizing the seven
verses of the opening Sura (Al-Fatiha) of the Holy Koran; the seven
points on the star represent faith in One God, humanity, national
spirit, humility, social justice, virtue, and aspirations
Juan de Nova Island
the flag of France is used
Kazakhstan
sky blue background representing the endless sky and a
gold sun with 32 rays soaring above a golden steppe eagle in the
center; on the hoist side is a "national ornamentation" in gold
Kenya
three equal horizontal bands of black (top), red, and green;
the red band is edged in white; a large warrior's shield covering
crossed spears is superimposed at the center
Kingman Reef
the flag of the US is used