The Scot, 29, dismantled the Raonic serve in a 6-4 7-6 (7-3) 7-6 (7-2) victory to repeat his triumph of 2013 and claim a third Grand Slam title.
Murray is the first British man to win multiple Wimbledon singles titles since Fred Perry in 1935.
"I'm proud to have my hands on the trophy again," said Murray.
(BBC News)