| 2017 Las Vegas Challenger | |
|---|---|
| Date | 16–22 October 2017 |
| Edition | 3rd |
| Draw | 32S / 16D |
| Surface | Hard / Outdoors |
| Location | Las Vegas, United States |
| Champions | |
| Singles | |
 Stefan Kozlov | |
| Doubles | |
 Brydan Klein / Joe Salisbury | |
The 2017 Las Vegas Challenger was a professional tennis tournament played on hard courts. It was the third edition of the revamped tournament which was the part of the 2017 ATP Challenger Tour. It took place in Las Vegas, United States between 16 and 22 October 2017.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| USA | Tennys Sandgren | 98 | 1 |
| GBR | Cameron Norrie | 111 | 2 |
| USA | Bjorn Fratangelo | 118 | 3 |
| USA | Stefan Kozlov | 142 | 4 |
 SRB | Nikola Milojević | 149 | 5 |
| USA | Michael Mmoh | 153 | 6 |
 AUS | Sam Groth | 166 | 7 |
| USA | Reilly Opelka | 173 | 8 |
The following players received wildcards into the singles main draw:
Ruben Alberts JC Aragone 
Alexander Cozbinov 
Mikael Torpegaard The following player received entry into the singles main draw as a special exempt:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
Jan Choinski Jared Hiltzik
Benjamin Lock 
Karue Sell The following players received entry as lucky losers:
Stefan Kozlov def. Liam Broady 3–6, 7–5, 6–4. Brydan Klein / Joe Salisbury def. 
Hans Hach Verdugo / Dennis Novikov 6–3, 4–6, [10–3].