| Date: | July 14–20 |
| Edition: | 28th |
| Draw: | 56S / 28D |
| Prize Money: | $550,000 |
| Category: | Championships Series |
| Surface: | Hard / outdoor |
| Location: | Washington, D.C., United States |
| Champs: |  Michael Chang[1] |
| Champd: | Luke Jensen / Murphy Jensen[2] |
| Main Name: | Washington Open (tennis) Washington Open |
The 1997 Legg Mason Tennis Classic was a men's tennis tournament played on outdoor hard courts in Washington, D.C., United States, that was part of the Championship Series of the 1997 ATP Tour. It was the 28th edition of the tournament and was held from July 14 through July 20, 1997. First-seeded Michael Chang won the singles title and $90,000 first-prize money.[3] [4] [5]
See main article: 1997 Legg Mason Tennis Classic – Singles. Michael Chang defeated Petr Korda 5–7, 6–2, 6–1
See main article: 1997 Legg Mason Tennis Classic – Doubles. Luke Jensen / Murphy Jensen defeated 
Neville Godwin / Fernon Wibier 6–4, 6–4