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

[1] Tadahira was a kuge (Japanese noble) who is credited with writing and publishing Engishiki.

[1] He is one of the principal editors responsible for the development of the Japanese legal code known as Sandai-kyaku-shiki [ja], sometimes referred to as the Rules and Regulations of the Three Generations.

Tadahira took over the head of the Hokke branch of the Fujiwara clan in 909 when his elder brother Tokihira died.

In a statistical overview derived from writings by and about Fujiwara no Tadahiro, OCLC/WorldCat encompasses roughly 9 works in 13 publications in 2 languages and 201 library holdings.