| 2016 Sibiu Open | |
|---|---|
| Date | 19–25 September |
| Edition | 5th |
| Location | Sibiu, Romania |
| Champions | |
| Singles | |
 Robin Haase | |
| Doubles | |
Robin Haase /  Tim Pütz | |
The 2016 Sibiu Open was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Sibiu, Romania between 19 and 25 September 2016.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| NED | Robin Haase | 65 | 1 |
 AUT | Gerald Melzer | 84 | 2 |
 HUN | Márton Fucsovics | 147 | 3 |
 ITA | Federico Gaio | 179 | 4 |
 CZE | Jan Šátral | 182 | 5 |
 SRB | Peđa Krstin | 197 | 6 |
| SRB | Miljan Zekić | 202 | 7 |
 ROU | Adrian Ungur | 206 | 8 |
The following players received wildcards into the singles main draw:
Victor Vlad Cornea Victor-Mugurel Anagnastopol 
Michał Dembek Bogdan Borza The following player received entry using a protected ranking:
The following player received entry as an alternate:
The following players received entry from the qualifying draw:
Christopher O'Connell Lenny Hampel Jonas Lütjen Andreas Mies Robin Haase def. Lorenzo Giustino, 7–6(7–2), 6–2. Robin Haase / Tim Pütz def. 
Jonathan Eysseric / Tristan Lamasine, 6–4, 6–2.