| Date: | 19–25 October |
| Edition: | 1st |
| Draw: | 32S / 16D |
| Surface: | Hard / Outdoors |
| Prize Money: | $50,000 |
| Location: | Las Vegas, United States |
| Venue: | Frank and Vicki Fertitta Tennis Complex |
| Champs: | Thiemo de Bakker |
| Champd: |  Carsten Ball / Dustin Brown |
| Main Name: | Las Vegas Challenger |
The 2015 Las Vegas Challenger was a professional tennis tournament played on hard courts. It was the first edition of the revamped tournament which was part of the 2015 ATP Challenger Tour. Challenger level events had ended in Las Vegas in the year 2000. It took place in Las Vegas, United States between 19 and 25 October 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 United States | Austin Krajicek | 97 | 1 | |
| United States | Tim Smyczek | 100 | 2 | |
| United States | Ryan Harrison | 104 | 3 | |
| Dustin Brown | 110 | 4 | ||
| Blaž Rola | 136 | 5 | ||
| United States | Jared Donaldson | 144 | 6 | |
| Thiemo de Bakker | 146 | 7 | ||
| United States | Dennis Novikov | 149 | 8 |
The following players received wildcards into the singles main draw:
Jakob Amilon Ace Matias Michael Mmoh Evan SongThe following player received entry into the singles main draw as a special exempt:
The following players received entry from the qualifying draw:
Dennis Nevolo Eric Quigley
Eduardo StruvaySee main article: 2015 Las Vegas Challenger – Singles.
See main article: 2015 Las Vegas Challenger – Doubles.
Carsten Ball / Dustin Brown def. Dean O'Brien / Ruan Roelofse, 3–6, 6–3, [10–6]