The 2016 ATP World Tour was the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2016 tennis season. The 2016 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000s, the ATP World Tour 500 series, the ATP World Tour 250 series, the Davis Cup, and the ATP World Tour Finals. Also included in the 2016 calendar were the tennis events at the 2016 Summer Olympics and Hopman Cup, neither of which distributed ranking points.

Sir Andrew Barron Murray is a British professional tennis player. He was ranked world No. 1 in singles by the Association of Tennis Professionals (ATP) for 41 weeks, and finished as the year-end No. 1 in 2016. Murray has won three Grand Slam singles titles, two at Wimbledon and one at the US Open, and has reached eleven major finals. Murray was ranked in the top 10 for all but one month from July 2008 through to October 2017, and was no lower than world No. 4 in eight of the nine year-end rankings during that span. Murray has won 46 ATP Tour singles titles, including 14 Masters 1000 events and two gold medals at the Summer Olympics.