Murray, who has been seeded three, could face top-seeded Djokovic in the last four while seven-time champion Federer, the fourth seed, is scheduled to renew his rivalry with world number one Rafael Nadal in the semi-finals.
But Nadal, the 2008 and 2010 champion, has been seeded second this year after losing in the first round in 2013 and getting knocked out in the second round 12 months earlier.
His mood will not have been helped by the draw which lined him up for a possible second round clash against big-hitting Czech Lukas Rosol who knocked him out in 2012.
Nadal starts against Slovakia's Martin Klizan with big-serving Ivo Karlovic a potential third round foe.
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Murray, now coached by former Wimbledon women's champion Amelie Mauresmo, will start his title defence on Monday against Belgium's world number 104, David Goffin.
Top seed Djokovic, the 2011 champion, will meet Andrey Golubev of Kazakhstan, also on Monday, with the Serb possibly facing France's Jo-Wilfried Tsonga in the fourth round and former runner-up Tomas Berdych in the quarter-finals.
Czech veteran Radek Stepanek, who beat Murray at last week's Queen's Club event, could be a second round opponent.
Federer and Nadal will begin their campaigns on Tuesday.
Federer, looking to break free from his seven-title tie with Pete Sampras, opens against Paolo Lorenzi of Italy and could then face Julien Benneteau or Gilles Muller.