—Kanemichi (925-77), father of Enyu's Empress
—Kanezane (1147-1207), son of Tadamichi, minister of the Right; nairan and kwampaku; descendants called Kujo
—Kinsuye (958-1029), son of Morosuke
—Kinto (966-1041) poet, one of Shinagon
—Kiyohira (d. 1126), founds Mutsu branch
—Kiyotada opposes advice of Masashige
—Korechika (974-1010), son of Michitaka
—Korekata induces Nobuyori to join Heiji plot
—Korekimi
—Koretada (942-72), son of Morosuke, regent