| 2013 Napa Valley Challenger | |
|---|---|
| Date | 23–29 September |
| Edition | 1st |
| Surface | Hard |
| Location | Napa, California, United States |
| Champions | |
| Singles | |
 Donald Young | |
| Doubles | |
Bobby Reynolds /  John-Patrick Smith | |
The 2013 Napa Valley Challenger was a professional tennis tournament played on hard courts. It was the First edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Napa, California, United States between 23 and 29 September 2013.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| USA | Denis Kudla | 95 | 1 |
| USA | Tim Smyczek | 104 | 2 |
| USA | Rhyne Williams | 125 | 3 |
| USA | Alex Kuznetsov | 128 | 4 |
| USA | Bradley Klahn | 133 | 5 |
| AUS | Matthew Ebden | 135 | 6 |
| USA | Steve Johnson | 142 | 7 |
| USA | Donald Young | 143 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
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