| 2009 U.S. Men's Clay Court Championships | |
|---|---|
| Date | April 6–12 |
| Edition | 41st |
| Category | World Tour 250 |
| Draw | 32S / 16D |
| Prize money | $442,500 |
| Surface | Clay / outdoor |
| Location | Houston, TX, United States |
| Venue | River Oaks Country Club |
| Champions | |
| Singles | |
 Lleyton Hewitt[1] | |
| Doubles | |
 Bob Bryan / Mike Bryan[2] | |
The 2009 U.S. Men's Clay Court Championships is a men's tennis tournament played on outdoor clay courts. It is the 41st edition of the U.S. Men's Clay Court Championships, and is an ATP World Tour 250 event. It takes place at River Oaks Country Club in Houston, Texas, United States, from April 6 through April 12, 2009. Unseeded Lleyton Hewitt won the singles title.
- ^ "2009 Houston – Singles draw". Association of Tennis Professionals (ATP).
- ^ "2009 Houston – Doubles draw". Association of Tennis Professionals (ATP).