The 2017 Delray Beach Open was a professional men's tennis tournament played on outdoor hard courts. It was the 25th edition of the tournament, and was part of the World Tour 250 series of the 2017 ATP World Tour. It took place in Delray Beach, United States between February 20 and February 26, 2017. Third-seeded Jack Sock won the singles title.
| width=70 | Country | width=175 | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 Canada | Milos Raonic | 4 | 1 | ||
| Ivo Karlović | 20 | 2 | |||
| Jack Sock | 21 | 3 | |||
| Sam Querrey | 29 | 4 | |||
| Steve Johnson | 30 | 5 | |||
 Australia | Bernard Tomic | 32 | 6 | ||
 Argentina | Juan Martín del Potro | 36 | 7 | ||
 United Kingdom | Kyle Edmund | 49 | 8 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Daniel Evans →replaced by 
Taylor Fritz Ryan Harrison →replaced by 
Radu Albot Thanasi Kokkinakis →replaced by 
Mikhail Kukushkin
Adam Pavlásek →replaced by 
Nikoloz Basilashvili| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Bob Bryan | Mike Bryan | 6 | 1 | |||
| Raven Klaasen | Rajeev Ram | 27 | 2 | |||
| Treat Huey |  Belarus | Max Mirnyi | 45 | 3 | ||
 Austria | Oliver Marach |  France | Fabrice Martin | 69 | 4 |
The following pairs received wildcards into the main draw:
See main article: article and 2017 Delray Beach Open – Singles.
Jack Sock defeated Milos Raonic, walkoverSee main article: article and 2017 Delray Beach Open – Doubles.
Rajeev Ram defetated Treat Huey / Max Mirnyi, 7–5, 7–5
