| Date: | 12–18 October |
| Edition: | 1st |
| Surface: | Hard |
| Location: | Ho Chi Minh City, Vietnam |
| Champs: |  Saketh Myneni |
| Champd: |  Tristan Lamasine / Nils Langer |
| Main Name: | Vietnam Open (tennis) Vietnam Open |
| After Name: | Vietnam Open (tennis) |
The 2015 Vietnam Open was a professional tennis tournament played on hard courts. It is the first edition of the tournament which is part of the 2015 ATP Challenger Tour. It takes place in Ho Chi Minh City, Vietnam between 12 and 18 October 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Spain | Marcel Granollers | 81 | 1 | |
 Australia | James Duckworth | 99 | 2 | |
| Spain | Adrián Menéndez Maceiras | 135 | 3 | |
| India | Saketh Myneni | 168 | 4 | |
 Italy | Thomas Fabbiano | 171 | 5 | |
| India | Somdev Devvarman | 178 | 6 | |
 Belgium | Yannick Mertens | 182 | 7 | |
| Australia | Jordan Thompson | 185 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2015 Vietnam Open (tennis) – Singles.
Saketh Myneni def. Jordan Thompson, 7–5, 6–3See main article: 2015 Vietnam Open (tennis) – Doubles.
Tristan Lamasine / Nils Langer def. Saketh Myneni / Sanam Singh, 1–6, 6–3, [10–8]