The Sumitomo Fudosan Roppongi Grand Tower (住友不動産六本木グランドタワー) is a 231 m (roughly 758 ft) commercial skyscraper located in Roppongi, Minato ward, Tokyo.

Completed in September 2016, it is the largest commercial office building in Sumitomo Realty & Development's (住友不動産) property portfolio, a real estate developer that owns and manages over 200 office properties in central Tokyo.

[3] It is located in the Roppongi district of Tokyo adjacent to the Izumi Garden Tower, also owned by Sumitomo Realty, on a site that used to house the former IBM Japan Head Office Building (87.4m, 1991) and the former Roppongi Prince Hotel, closed in 2006.

Built on a sloping site with a car passenger entrance and main atrium on the 4th floor, the 1st floor of the main office tower will be directly connected to Roppongi-itchōme Station on the Tokyo Metro Namboku Line.

The main tower is joined by a 27-storey 109 meter residential building.