| 1999 ATP Super 9 | |
| Duration: | March 5 – November 8 |
| Edition: | 10th |
| Tournaments: | 9 |
| Most Tournament Titles: |  Gustavo Kuerten (2) |
| Most Tournament Finals: | Richard Krajicek Gustavo Kuerten  Patrick Rafter Marcelo Ríos (2) |
| Previous: | 1998 |
| Next: | 2000 |
See main article: 1999 ATP Tour.
The 1999 ATP Super 9 (also known as Mercedes-Benz Super 9 for sponsorship reasons) were part of the 1999 ATP Tour, the elite tour for professional men's tennis organised by the Association of Tennis Professionals.