The 2017 St. Petersburg Open was a tennis tournament played on indoor hard courts. It was the 22nd edition of the St. Petersburg Open, and part of the ATP World Tour 250 Series of the 2017 ATP World Tour. It took place at the Sibur Arena in Saint Petersburg, Russia, from September 18 through 24, 2017.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Roberto Bautista Agut | 13 | 1 | ||
| Jo-Wilfried Tsonga | 18 | 2 | ||
| Fabio Fognini | 29 | 3 | ||
| Adrian Mannarino | 31 | 4 | ||
| Philipp Kohlschreiber | 34 | 5 | ||
| Paolo Lorenzi | 38 | 6 | ||
| Viktor Troicki | 47 | 7 | ||
| Jan-Lennard Struff | 54 | 8 |
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:
Aljaž Bedene →replaced by 
Thomas Fabbiano
Federico Delbonis →replaced by 
Mikhail Youzhny Kyle Edmund →replaced by Guido Pella Leonardo Mayer →replaced by 
Damir Džumhur
Gaël Monfils →replaced by 
Marcos Baghdatis
Janko Tipsarević →replaced by 
Ričardas Berankis
Jiří Veselý →replaced by 
Radu Albot| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Julio Peralta | Argentina | Horacio Zeballos | 69 | 1 | ||
| Nicholas Monroe |  Australia | John-Patrick Smith | 85 | 2 | ||
| United Kingdom | Dominic Inglot |  Canada | Daniel Nestor | 93 | 3 | |
 New Zealand | Marcus Daniell |  Brazil | Marcelo Demoliner | 96 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2017 St. Petersburg Open – Singles.
Damir Džumhur defeated Fabio Fognini, 3–6, 6–4, 6–2See main article: 2017 St. Petersburg Open – Doubles.
Roman Jebavý / Matwé Middelkoop defeated Julio Peralta / Horacio Zeballos, 6–4, 6–4.