The comedian and TV presenter triumphed over rivals Laurie Brett and Tameka Empson, who reprised their routine to Lady GaGa track 'Telephone', and Tyger Drew-Honey and Dani Harmer, who performed to 'Fat Sam's Grand Slam' from Bugsy Malone.
Rivron's winning dance saw him take on Christopher Walken's routine from Fatboy Slim's 'Weapon of Choice' video, which initially saw him win through in his heat last week along with Fatima Whitbread and The Cuban Brothers.
Before emerging victorious in the public vote, judges Frank Skinner, Arlene Phillips and Rhod Gilbert had praised the 54-year-old for his rendition, with Skinner saying: "The message to any young people watching this is - don't be afraid of middle age, it can be very beautiful.
"I'd like to learn that and do it every day - it's honestly one of the best dances I've ever seen on this show, and I totally loved it."
Rivron was awarded the Let's Dance for Sport Relief trophy by 2011 winners Charlie Baker and James Thornton, before closing the show with a repeat performance.
The other acts performing in the final were Terry Alderton, Miles Jupp, Eddie 'The Eagle' Edwards and Omid Djalili.
Watch Rowland Rivron perform the winning dance below: