| 2005 ATP Masters Series | |
| Duration: | March 14 – November 6 |
| Edition: | 16th |
| Tournaments: | 9 |
| Most Tournament Titles: | Roger Federer  Rafael Nadal (4) |
| Most Tournament Finals: | Rafael Nadal (5) |
| Previous: | 2004 |
| Next: | 2006 |
See main article: 2005 ATP Tour.
The table below shows the 2005 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.