The 2015 Aegon Manchester Trophy was a professional tennis tournament played on grass courts. It was the 1st edition of the revived tournament, forming part of the 2015 ATP Challenger Tour. It took place in Manchester, United Kingdom between 1 and 7 June 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Cyprus | Marcos Baghdatis | 59 | 1 | |
 Australia | Sam Groth | 72 | 2 | |
 Tunisia | Malek Jaziri | 85 | 3 | |
 Belgium | Ruben Bemelmans | 95 | 4 | |
 United Kingdom | James Ward | 104 | 5 | |
 Japan | Tatsuma Ito | 106 | 6 | |
 Colombia | Alejandro Falla | 109 | 7 | |
| Austin Krajicek | 118 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry as alternates:
The following players received entry from the qualifying draw:
| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Raven Klaasen | Rajeev Ram | 70 | 1 | |||
| Australia | Chris Guccione |  Brazil | André Sá | 102 | 2 | |
| Mate Pavić |  New Zealand | Michael Venus | 112 | 3 | ||
| United Kingdom | Colin Fleming | Australia | John-Patrick Smith | 182 | 4 |
The following pairs received wildcards into the doubles main draw:
Luke Bambridge / Liam Broady Scott Clayton / Richard Gabb Edward Corrie / Daniel Smethurst Sam Groth def. Luke Saville, 7–5, 6–1 Chris Guccione / André Sá def. Raven Klaasen / 
Rajeev Ram by walkover