The soft drinks giant, which has partnered with the event since the1995 Rugby World Cup in South Africa, has featured at every tournament as either a worldwide partner or tournament supplier for almost two decades. It will join forces with international rugby star Brian O’Driscoll as part of the campaign.
"Rugby World Cup 2015 looks set to be the biggest ever; we’re delighted to be a part of it to celebrate the excitement and passion the tournament will generate," said Paul Dwan, general manger of the Coca-Cola team for Rugby World Cup 2015.
"The game enjoys fantastic support and we hope that through our sponsorship we can bring rugby to an even wider audience next year."
Rugby World Cup chairman, Bernard Lapasset, said: "We are delighted to be extending our long and successful partnership with Coca-Cola as official soft drink.
"With rugby experiencing unprecedented growth around the world and Rugby World Cup playing a pivotal role in inspiring future fans and players, we are delighted to be working with a brand that shares our passion for the sport and its character-building values."