| 2011 U.S. Men's Clay Court Championships | |
|---|---|
| Date | April 4–10 |
| Edition | 43rd |
| 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 | |
 Ryan Sweeting[1] | |
| Doubles | |
| Bob Bryan / Mike Bryan[2] | |
The 2011 U.S. Men's Clay Court Championships was a men's tennis tournament played on outdoor clay courts. It was the 43rd edition of the U.S. Men's Clay Court Championships, and was an ATP World Tour 250 event. It took place at River Oaks Country Club in Houston, Texas, United States, from April 4 through April 10, 2011. Unseeded Ryan Sweeting, who entered the main draw on a wildcard, won the singles title.
- ^ "2011 Houston – Singles draw". Association of Tennis Professionals (ATP).
- ^ "2011 Houston – Doubles draw". Association of Tennis Professionals (ATP).