| 2001 Tennis Masters Series | |
| Duration: | March 8 – November 5 |
| Edition: | 12th |
| Tournaments: | 9 |
| Most Tournament Titles: |  Andre Agassi  Gustavo Kuerten (2) |
| Most Tournament Finals: | Gustavo Kuerten (3) |
| Previous: | 2000 |
| Next: | 2002 |
See main article: 2001 ATP Tour.
The table below shows the 2001 Tennis Masters Series schedule.
The ATP Masters Series are part of the elite tour for professional men's tennis organised by the Association of Tennis Professionals.