| 2016 Winston-Salem Open | |
|---|---|
| Date | August 21–27 | 
| Edition | 48th | 
| Category | ATP World Tour 250 Series | 
| Draw | 48S/16D | 
| Surface | Hard / outdoor | 
| Location | Winston-Salem, North Carolina, USA | 
| Venue | Wake Forest University | 
| Champions | |
| Singles | |
| Doubles | |
The 2016 Winston-Salem Open was a men's tennis tournament played on outdoor hard courts. It was the 48th edition of the Winston-Salem Open (as successor to previous tournaments in New Haven and Long Island), and part of the ATP World Tour 250 Series of the 2016 ATP World Tour. It took place at Wake Forest University in Winston-Salem, North Carolina, United States, from August 23 through August 29, 2015. It was the last event on the 2016 US Open Series before the 2016 US Open.
Singles main-draw entrants
Seeds
| Country | Player | Rank* | Seed | 
|---|---|---|---|
| Richard Gasquet | 15 | 1 | |
| Roberto Bautista Agut | 17 | 2 | |
| Pablo Cuevas | 19 | 3 | |
| Steve Johnson | 23 | 4 | |
| Kevin Anderson | 24 | 5 | |
| Sam Querrey | 29 | 6 | |
| Gilles Simon | 31 | 7 | |
| Albert Ramos Viñolas | 33 | 8 | |
| Viktor Troicki | 35 | 9 | |
| João Sousa | 36 | 10 | |
| Paolo Lorenzi | 40 | 11 | |
| Andrey Kuznetsov | 41 | 12 | |
| Federico Delbonis | 43 | 13 | |
| Marcos Baghdatis | 44 | 14 | |
| Fernando Verdasco | 45 | 15 | |
| Pablo Carreño Busta | 48 | 16 | 
- Rankings are as of August 15, 2016
 
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
- Before the tournament
 
 Borna Ćorić →replaced by 
 Daniel Evans
 Marcel Granollers →replaced by 
 Víctor Estrella Burgos
 Ernests Gulbis →replaced by 
 Pierre-Hugues Herbert
 Nicolas Mahut →replaced by 
 Lukáš Rosol
 Juan Mónaco →replaced by 
 Evgeny Donskoy
 Benoît Paire →replaced by 
 Damir Džumhur
 Guido Pella →replaced by 
 Stéphane Robert
 Dudi Sela →replaced by  
 Jan-Lennard Struff
 Horacio Zeballos →replaced by 
 Tim van Rijthoven
- During the tournament
 
Retirements
Doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed | 
|---|---|---|---|---|---|
| Łukasz Kubot | Nenad Zimonjić | 58 | 1 | ||
| Mate Pavić | Michael Venus | 78 | 2 | ||
| Robert Lindstedt | Aisam-ul-Haq Qureshi | 79 | 3 | ||
| Eric Butorac | Scott Lipsky | 86 | 4 | 
- Rankings are as of August 15, 2016
 
Other entrants
The following pairs received wildcards into the doubles main draw:
Champions
Singles
 Pablo Carreño Busta def. 
 Roberto Bautista Agut, 6–7(6–8), 7–6(7–1), 6–4
Doubles
 Guillermo García López / 
 Henri Kontinen def. 
 Andre Begemann / 
 Leander Paes, 4–6, 7–6(8–6), [10–8]