| 2001 Sybase Open | |
|---|---|
| Date | February 26 – March 4 |
| Edition | 113th |
| Category | International Series |
| Draw | 32S / 16D |
| Prize money | $375,000 |
| Surface | Hard court / indoor |
| Location | San Jose, U.S. |
| Venue | Compaq Center |
| Champions | |
| Singles | |
 Greg Rusedski[1] | |
| Doubles | |
 Mark Knowles /  Brian MacPhie[2] | |
The 2001 Sybase Open was a men's tennis tournament played on indoor hard courts at the Compaq Center at San Jose in San Jose, California in the United States that was part of the International Series of the 2001 ATP Tour. It was the 113th edition of the tournament and was held from February 26 through March 4, 2001. Eighth-seeded Greg Rusedski won the singles title.
- ^ "2001 San Jose – Singles draw". Association of Tennis Professionals (ATP).
- ^ "2001 San Jose – Doubles draw". Association of Tennis Professionals (ATP).