The 2015 Speedway Grand Prix World Championship was the 20th season of the FIM Speedway Grand Prix series. It featured a total of 12 rounds held in various countries, showcasing the world's best speedway riders competing for the title. The championship began in April and concluded in October, with each event consisting of multiple heats leading to a final race. Polish rider Tomasz Gollob was a notable participant, while Greg Hancock from the USA emerged as the champion, securing his third world title. The series highlighted the thrilling nature of speedway racing, with riders navigating oval tracks at high speeds on specialized motorcycles.