Fujiwara no Keishi (a daughter of FUJIWARA no Tsunehira) (藤原経子 (藤原経平の女))

FUJIWARA no Keishi (also Tsuneko, year of birth and death unknown) was a court lady during the latter half of the Heian period. Her father was Jusanmi (Junior Third Rank) Dazai no daini (Senior Assistant Governor General of the Dazai-fu (local government office in Kyushu region)) FUJIWARA no Tsunehira. FUJIWARA no Michitoshi was her brother.

She served as a Naishi no suke (a court lady of the first rank) for both Emperor Gosanjo and Emperor Shirakawa. She was favored by Emperor Shirakawa, and she gave birth to a prince (Cloistered Imperial Prince Kakugyo) in April, 1075. She later became a wife of Sangi (councilor) FUJIWARA no Kinsada.