Count Hirata Tosuke (平田 東助, March 2, 1849 – April 14, 1925) was a Japanese statesman and the 7th Lord Keeper of the Privy Seal of Japan, active in the Meiji and Taishō period Empire of Japan.

Hirata was born in the Yonezawa Domain, Dewa Province (currently Yamagata Prefecture) as the son of a local samurai.

He was sent by the domain to Edo for studies, and subsequently fought in the Boshin War on the side of the Ōuetsu Reppan Dōmei.

He successively held important posts including chief secretary of the Privy Council, director-general of the Legislation Bureau, Agriculture and Commerce Minister in the first Katsura cabinet, Home Minister in the second Katsura cabinet, provisionary Diplomatic Investigation Board member, and Lord Keeper of the Privy Seal of Japan.

Hirata was also very active in the movement of local agricultural reforms, an industrial cooperative program, and poverty relief projects, striving to protect the local country people against the inflationary economy after the Russo-Japanese War and World War I.