Miho Watanabe is a Japanese actress, presenter and former idol. She is a former second generation member of the idol group Hinatazaka46.

Hinatazaka46 is a Japanese idol group produced by Yasushi Akimoto. The group was established as a subgroup of Keyakizaka46 named Hiragana Keyakizaka46 on 30 November 2015, and was renamed and spun off into its own group on 11 February 2019. The group's name is adopted from the alternate reading of Hyūgazaka Street in Mita, Minato-ku, Tokyo, following the custom of naming groups after sloping streets in the Sakamichi Series. The captain of the group is Kumi Sasaki and its fans are referred to as Ohisama (おひさま).