The 2015 Valencia Open was a men's tennis tournament played on indoor hard courts. It was the 21st and the last edition of the Valencia Open, part of the 250 Series of the 2015 ATP World Tour. The tournament was formerly part of the ATP World Tour 500 series but was downgraded starting this year. It was held at the Ciutat de les Arts i les Ciències in Valencia, Spain, from 26 October through 1 November 2015. Unseeded João Sousa won the singles title.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Spain | ||||
| 17 | 2 | |||
| 18 | 3 | |||
| 22 | 4 | |||
| 23 | 5 | |||
| 25 | 6 | |||
| Spain | Roberto Bautista Agut | 27 | 7 | |
| 29 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Sam Querrey →replaced by Aljaž Bedene Pablo Andújar (elbow injury)→replaced by Norbert Gombos David Ferrer (right elbow injury)→replaced by Albert Montañés| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Raven Klaasen | Rajeev Ram | 58 | 1 | |||
 Poland | Łukasz Kubot |  India | Leander Paes | 63 | 2 | |
| Pablo Cuevas | Spain | Marcel Granollers | 65 | 3 | ||
| Spain | Feliciano López |  Belarus | Max Mirnyi | 72 | 4 |
The following pairs received wildcards into the doubles main draw:
Pablo Carreño Busta / 
Federico Delbonis
Eduardo Russi Assumpção / Mario Vilella MartínezSee main article: 2015 Valencia Open – Singles.
Roberto Bautista Agut, 3–6, 6–3, 6–4See main article: 2015 Valencia Open – Doubles.
Eric Butorac / Scott Lipsky defeated Feliciano López / Max Mirnyi, 7–6(7–4), 6–3
