| 1989 Nabisco Masters | |
|---|---|
| Date | November 27 – December 3 |
| Edition | 20th (singles) / 16th (doubles) |
| Category | Masters |
| Prize money | $750,000 |
| Surface | Carpet / indoor |
| Location | New York City, United States (singles) London, United Kingdom (doubles) |
| Champions | |
| Singles | |
 Stefan Edberg[1] | |
| Doubles | |
 Jim Grabb / Patrick McEnroe[2] | |
The 1989 Masters (also known as the 1989 Nabisco Masters for sponsorship reasons)[3] were men's tennis tournaments played on indoor carpet courts at Madison Square Garden in New York City, New York, United States and at the Royal Albert Hall in London, United Kingdom. It was the 20th edition of the year-end singles championships, the 16th edition of the year-end doubles championships, and both tournaments were part of the 1989 Nabisco Grand Prix. The singles championships were held in New York from November 27 through December 3, 1989, while the doubles championship were held in London from December 6 through December 10, 1989. Stefan Edberg won the singles title.
- ^ "1989 Masters – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1989 Masters – Doubles draw". Association of Tennis Professionals (ATP).
- ^ Collins, Bud (October 2010). "Year-End Championships". The Bud Collins History of Tennis: An Authoritative Encyclopedia and Record Book. New York: New Chapter Press. p. 746. ISBN 978-0-942257-70-0.