| 2016 Davis Cup World Group | |
|---|---|
| Date | 4 March – 27 November |
| Edition | 36th |
| Champions | |
 Argentina | |
The World Group was the highest level of Davis Cup competition in 2016. The first-round losers went into the Davis Cup World Group play-offs, and the winners progressed to the quarterfinals and World Group spot for 2017.