The 2016 Aircel Chennai Open was a men's tennis tournament, played on outdoor hard courts that was part of the ATP World Tour 250 series of the 2016 ATP World Tour. It was the 21st edition of the only ATP tournament taking place in India and was played at the SDAT Tennis Stadium in Chennai, from 4 January until 10 January 2016. First-seeded Stan Wawrinka won the singles event.
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:
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates: