| 2008 ATP Masters 1000 | |
| Duration: | March 10 – November 2 |
| Edition: | 19th |
| Tournaments: | 9 |
| Most Tournament Titles: |  Rafael Nadal (3) |
| Most Tournament Finals: | Rafael Nadal (3) |
| Previous: | 2007 |
| Next: | 2009 |
The ATP Masters Series are part of the elite tour for professional men's tennis organized by the Association of Tennis Professionals called the ATP Tour.
| Tournament | Country | Location | Current Venue | Began | Court surface | |
|---|---|---|---|---|---|---|
| Indian Wells Masters | United States | Indian Wells | Indian Wells Tennis Garden | 1974 | Hard | |
| Miami Masters | United States | Miami | Tennis Center at Crandon Park | 1985 | Hard | |
| Monte Carlo Masters | Monaco | Roquebrune-Cap-Martin, France | Monte Carlo Country Club | 1897 | Clay | |
| Rome Masters | Italy | Rome | Foro Italico | 1930 | Clay | |
| Hamburg Masters | Germany | Hamburg | Am Rothenbaum | 1892 | Clay | |
| Canada Masters | Canada | Toronto | Rexall Centre | 1881 | Hard | |
| Cincinnati Masters | United States | Mason, Ohio | Lindner Family Tennis Center | 1899 | Hard | |
| Madrid Masters | Spain | Madrid | Madrid Arena | 2002 | Hard (i) | |
| Paris Masters | France | Paris | Palais Omnisports de Paris-Bercy | 1968 | Hard (i) |
Note: Although the Monte Carlo Masters is billed as taking place in Monte Carlo, it is actually held in Roquebrune-Cap-Martin, a commune of France adjacent to Monaco.[1]