Fujiwara no Tadahira, Japanese statesman (b. 880)
Fujiwara no Tadahira (藤原 忠平, 880 – September 9, 949) was a Japanese statesman, courtier and politician during the Heian period.

He is also known as Teishin-Kō (貞信公) or Ko-ichijō Dono (小一条殿) or Ko-ichijō daijō-daijin.