| Year: | 2011 |
| Dates: | March 4 - 5 |
| Country: | United States |
| Num Teams: | 4 |
| Venues: | 1 |
| Cities: | 1 |
| Champion Other: | Sporting Kansas City |
| Count: | 1 |
| Second Other: | New York Red Bulls |
| Third Other: | FC Tucson |
| Matches: | 4 |
| Goals: | 21 |
| Top Scorer: | Pat Perkins |
| Nextseason: | 2012 |
The 2011 Desert Diamond Cup (formerly known as the Desert Cup and also known as the FC Tucson Desert Diamond Cup) was a preseason soccer tournament held at Hi Corbett Field in Tucson, Arizona. The tournament, the first edition of the Desert Cup, was held from March 4–5, 2011 and featured two Major League Soccer clubs along two US Club Soccer clubs.
The tournament was won by Sporting Kansas City, who edged the New York Red Bulls on goal differential.
The following four clubs competed in the tournament:
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| Club | Pts | Pld | W | L | T | GF | GA | GD | |
|---|---|---|---|---|---|---|---|---|---|
| Sporting Kansas City | 4 | 2 | 1 | 0 | 1 | 8 | 3 | +5 | |
| New York Red Bulls | 4 | 2 | 1 | 0 | 1 | 5 | 3 | +2 | |
| FC Tucson | 1 | 2 | 0 | 1 | 1 | 4 | 6 | -2 | |
| Arizona Sahuaros | 1 | 2 | 0 | 1 | 1 | 4 | 9 | -5 |