Midland Square (ミッドランド スクエア), officially called Toyota-Mainichi Building (豊田・毎日ビルディング), is a skyscraper located in the Meieki district of Nakamura-ku, Nagoya, Aichi, Japan.

At 247 m (810 feet), it is slightly taller than the nearby JR Central Towers.

Midland Square houses offices of many companies including Toyota Motor Corporation, Towa Real Estate and Mainichi Shimbun.

It features a shopping center with 60 name-brand stores, two automobile showrooms and a cinema.

It also holds the record for the highest open-air observation deck in Japan.