See what a selection of personalities said below.
"Congrats to @andy_murray, Roger and @delpotrojuan. Especially to Andy, I can imagine the joy of doing at home."
Rafael Nadal, who missed the Games because of injury
"Congrats @andy_murray what a win. Made up for u."
England striker Wayne Rooney
"Never in doubt @andy_murray Bravo!!"
Five-time Olympic gold medallist Sir Chris Hoy
"Yes gold brilliant well done Andy Murray"
Entrepreneur Lord Alan Sugar
World number one golfer Luke Donald
"Go on Musgrove lad... @andy_murray Gold, what an Olympic games this is turning out to be #london2012"
Queens Park Rangers midfielder Joey Barton
"You absolutely deserved that @andy_murray. Inspired, brilliant and best of all British!"
TV presenter Georgie Thompson
He has since added a silver medal by losing the mixed doubles gold-medal match.