1991 Tokyo Indoor

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.

Singles
🇸🇪 Stefan Edberg defeated 🇺🇸 Derrick Rostagno 6–3, 1–6, 6–2
 * It was Edberg's 6th singles title of the year and the 33rd of his career.

Doubles
🇺🇸 Jim Grabb / 🇺🇸 Richey Reneberg defeated 🇺🇸 Scott Davis / 🇺🇸 David Pate 7–5, 2–6, 7–6