| Date: | July 4 – July 10 |
| Edition: | 36th |
| Category: | ATP World Tour 250 series |
| Prize Money: | $442,500 |
| Draw: | 32S / 16D |
| Surface: | Grass court / Outdoor |
| Location: | Newport, Rhode Island |
| Champs: |  John Isner[1] |
| Champd: |  Matthew Ebden / Ryan Harrison[2] |
| Main Name: | Hall of Fame Tennis Championships |
The 2011 Hall of Fame Tennis Championships (also known as the Campbell's Hall of Fame Tennis Championships for sponsorship reasons) was a tennis tournament played on outdoor grass courts. It was the 36th edition of the Hall of Fame Tennis Championships, and was part of the ATP World Tour 250 series of the 2011 ATP World Tour. It took place at the International Tennis Hall of Fame in Newport, Rhode Island, United States, from July 4 through July 10, 2011.
See main article: 2011 Campbell's Hall of Fame Tennis Championships – Singles.
See also: 2011 Campbell's Hall of Fame Tennis Championships – Singles Qualifying. John Isner defeated 
Olivier Rochus, 6–3, 7–6(8–6) [1]
See main article: 2011 Campbell's Hall of Fame Tennis Championships – Doubles. Matthew Ebden / Ryan Harrison defeated 
Johan Brunström / 
Adil Shamasdin, 4–6, 6–3, [10–5] [2]
| Country | Player | Ranking* | Seeding | |
|---|---|---|---|---|
| United States | John Isner | 47 | 1 | |
| Grigor Dimitrov | 62 | 2 | ||
 Russian Federation | Igor Kunitsyn | 66 | 3 | |
| United States | Ryan Sweeting | 69 | 4 | |
| United States | Alex Bogomolov, Jr. | 72 | 5 | |
| Belgium | Olivier Rochus | 73 | 6 | |
| Michael Berrer | 76 | 7 | ||
| Tobias Kamke | 83 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2011 Campbell's Hall of Fame Tennis Championships – Singles qualifying.
