The 1991 Tokyo Indoor, also known by its sponsored name Seiko Super Tennis, was a men's tennis tournament played on indoor carpet courts in Tokyo, Japan that was part of the IBM 1991 ATP Tour and was an ATP Championship Series event. It was the 14th edition of the tournament and was held from 8 October through 14 October 1991. Matches were the best of three sets. First-seeded Stefan Edberg won the singles title.
Stefan Edberg defeated Derrick Rostagno 6âÂÂ3, 1âÂÂ6, 6âÂÂ2
Jim Grabb / Richey Reneberg defeated Scott Davis / David Pate 7âÂÂ5, 2âÂÂ6, 7âÂÂ6