| Date: | 5–11 January 2015 |
| Edition: | 20th |
| Draw: | 28S / 16D |
| Surface: | Hard / outdoor |
| Prize Money: | USD $403,495 |
| Location: | Chennai, India |
| Venue: | SDAT Tennis Stadium |
| Champs: | Stan Wawrinka[1] |
| Champd: | Lu Yen-hsun /  Jonathan Marray[2] |
| Main Name: | Maharashtra Open Maharashtra Open |
The 2015 Aircel Chennai Open was a men's 2015 ATP World Tour tennis tournament, played on outdoor hard courts. It was the 20th edition of the only ATP tournament taking place in India and took place at the SDAT Tennis Stadium in Chennai, India, from 5 January through 11 January 2015. Firsts-seeded Stan Wawrinka won the singles title.
See main article: 2015 Aircel Chennai Open – Singles.
See main article: 2015 Aircel Chennai Open – Doubles.
Jonathan Marray defeated Raven Klaasen / 
Leander Paes, 6–3, 7–6(7–4)| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q | width=85 | Q3 | width=85 | Q2 | width=85 | Q1 |
| Singles | 250 | 150 | 90 | 45 | 20 | 0 | 12 | 6 | 0 | 0 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubles | 0 |
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q3 | width=85 | Q2 | width=85 | Q1 |
| Singles | $72,490 | $38,180 | $20,680 | $11,785 | $6,940 | $4,115 | $665 | $320 | ||||
| Doubles* | $22,020 | $11,580 | $6,270 | $3,590 | $2,100 |
| width=70 | Country | width=175 | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| Stan Wawrinka | 4 | 1 | |||
 Spain | Feliciano López[3] | 14 | 2 | ||
| Spain | Roberto Bautista Agut[4] | 15 | 3 | ||
 Belgium | David Goffin | 22 | 4 | ||
| Spain | Guillermo García López | 36 | 5 | ||
| Lu Yen-hsun | 38 | 6 | |||
| Spain | Marcel Granollers | 46 | 7 | ||
 Luxembourg | Gilles Müller | 47 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Marcel Granollers (knee injury)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Raven Klaasen | India | Leander Paes | 49 | 1 | ||
| Andre Begemann | Robin Haase | 86 | 2 | |||
 Sweden | Johan Brunström | Nicholas Monroe | 120 | 3 | ||
 Austria | Oliver Marach |  New Zealand | Michael Venus | 129 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
Alejandro González (shoulder injury)
