| Date: | 1–7 October |
| Edition: | 8th |
| Surface: | Hard |
| Location: | Sacramento, United States |
| Champs: |  James Blake |
| Champd: | Tennys Sandgren / Rhyne Williams |
| After Name: | Sacramento Challenger |
The 2012 Natomas Men's Professional Tennis Tournament was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Sacramento, United States between 1 and 7 October 2012.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Benjamin Becker | 84 | 1 | ||
| James Blake | 99 | 2 | ||
| Ryan Sweeting | 135 | 3 | ||
| Wayne Odesnik | 136 | 4 | ||
 Italy | Matteo Viola | 148 | 5 | |
 Canada | Peter Polansky | 149 | 6 | |
| Tim Smyczek | 154 | 7 | ||
| Denis Kudla | 158 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Taro Daniel
Greg Jones Phillip SimmondsSee main article: 2012 Natomas Men's Professional Tennis Tournament – Singles.
James Blake def. Mischa Zverev, 6–1, 1–6, 6–4See main article: 2012 Natomas Men's Professional Tennis Tournament – Doubles.
Tennys Sandgren / Rhyne Williams def. Devin Britton / Austin Krajicek, 4–6, 6–4, [12–10]