| Date: | July 30 – August 6 |
| Edition: | 38th |
| Category: | International Series |
| Prize Money: | $575,000 |
| Draw: | 64S / 16D |
| Surface: | Hard / outdoor |
| Venue: | William H.G. FitzGerald Tennis Center |
| Location: | Washington, D.C., United States |
| Champs: |  Andy Roddick[1] |
| Champd: | Bob Bryan / Mike Bryan[2] |
| Main Name: | Washington Open (tennis) Washington Open |
The 2007 Legg Mason Tennis Classic was the 38th edition of this tennis tournament and was played on outdoor hard courts. The tournament was part of the International Series of the 2007 ATP Tour. It was held at the William H.G. FitzGerald Tennis Center in Washington, D.C. from July 30 through August 6, 2007.
See main article: article and 2007 Legg Mason Tennis Classic – Singles. Andy Roddick defeated John Isner, 6–4, 7–6(7–4)
See main article: article and 2007 Legg Mason Tennis Classic – Doubles. Bob Bryan / Mike Bryan defeated 
Jonathan Erlich / Andy Ram, 7–6(7–5), 3–6, [10–7]