Main Tower is a 56-storey, 200 m (656 ft) skyscraper in the Innenstadt district of Frankfurt, Germany.

The foyer of the building has two art pieces accessible to the public: the video installation by Bill Viola "The World of Appearances" and the wall mosaic by Stephan Huber "Frankfurter Treppe / XX.

Other tenants are the German Offices of Merrill Lynch and Standard & Poor's and a television studio of the Hessischer Rundfunk.

Prominent US law firms Sullivan & Cromwell and Cleary Gottlieb Steen & Hamilton are also residents of the Main Tower.

[citation needed] In June 2015, NorthStar Realty Finance of New York entered into an agreement to acquire Main Tower for about €540 million.