Tamayo Marukawa

is a Japanese politician and former television presenter. She is a member of the House of Councillors of the National Diet since 2007. She is a member of the Liberal Democratic Party. 
Marukawa was Minister of State for the Tokyo Olympic and Paralympic Games twice. The first time was for Prime Minister Shinzo Abe from August 2016 until August 2017, and the second for Yoshihide Suga on 18 February 2021 to replace LDP lawmaker and retired Olympian Seiko Hashimoto.
She is married to Taku Otsuka. He is also a member of the House of Representatives).