The selection committee of AFI has picked a 24-member team which will compete in 14 different events at the London Championships.
She said: "I'm absolutely chuffed to bits. It's a huge honour to have been elected by my peers as the team captain for British Athletics at London 2017", said the 30-year-old. "To lead your team at a home World Championships is truly a once in a lifetime opportunity and to have your teammates vote that they want you to do it, makes it even more special".
Doyle is also a former European champion and Commonwealth Games silver medallist, although her best performance at the Worlds came in 2013, where she finished fifth.
Israeli army prepares for protracted violence in West Bank
The latter remains inside the embassy, and Prime Minister Benjamin Netanyahu has vowed to bring him back to Israel. The Palestinian Ministry of Health said that one protester had been shot and killed on Saturday evening.
India's campaign at the world championships will begin with long distance runner G. Lakshmanan's participation in the mens' 10,000 m final on August 5.
Doyle, who will take to the track at the World Championships for a fifth time, was the face of the Glasgow 2014 Commonwealth Games and completed a "grand slam" set of Commonwealth, European and World Championship medals past year in Rio, when she added Olympic 4x400m bronze to her collection.
She leads out a 78-strong team representing Great Britain and Northern Ireland at the World Championships, which take place from August 4 to 13. "That's the type of athlete and mindset we need to lead us into a home world championships".