Jamie Robert Murray (born 13 February 1986) is a British professional tennis player who specialises in doubles. He is a seven-time major doubles champion (five in mixed doubles and two in men's doubles), a Davis Cup winner, and a former doubles World No. 1.

He has won seven Grand Slam tournament titles: in mixed doubles at the 2007 Wimbledon Championships, with Jelena Janković, the 2017 Wimbledon Championships and 2017 US Open, with Martina Hingis, and the 2018 and 2019 US Open, with Bethanie Mattek-Sands, and in men's doubles at the Australian Open and US Open in 2016, with Bruno Soares.

Murray had an early career partnership with Eric Butorac, winning three titles in 2007. His following seven ATP finals came with six different partners. In 2013, he began a new partnership with John Peers, winning six ATP tournaments, and reaching two Grand Slam finals. After this partnership ended, Murray played alongside Soares from 2016, with the new pair enjoying almost immediate success after winning only their second ATP tournament together. They went on to win the 2016 Australian Open and US Open, and Murray became world no. 1 in April that year, spending nine weeks at the top of the rankings. He and Soares split in 2019, with Murray competing alongside compatriot Neal Skupski until the end of 2020, winning one ATP title together. He then reunited with Soares, with the pair finishing runners-up at the 2021 US Open.

Murray was part of the Great Britain team that won the 2015 Davis Cup, the nation's first victory in the tournament for 79 years. He and his brother recorded crucial doubles victories in Britain's quarterfinal, semifinal and final wins. The Davis Cup team was awarded the 2015 BBC Sports Personality Team of the Year Award. Murray has also competed at the Summer Olympics on four occasions.

Brad Gilbert, who coached Andy Murray, gave Jamie the name 'Stretch' because of his 6-foot-3-inch height and long arms.

Jamie Murray was born in Glasgow, Scotland, the elder son of Judith (née Erskine) and William Murray. He grew up in Dunblane and attended Dunblane Primary School. Jamie is the elder brother of fellow tennis player and former singles world No. 1, Andy Murray. He and his brother were present during the 1996 Dunblane school massacre, when Thomas Hamilton killed 16 children and a teacher before shooting himself. Both brothers were part of a group of pupils who took cover in a classroom. His parents separated in 1998, with the boys living with their father while being mentored in tennis by their mother.

At the age of 10, Jamie was No 3-ranked tennis player of his age in Europe. At 11 years and 5 months, he finished runner-up in the boys under 12 category at the prestigious Junior Orange Bowl. Murray was the junior world number 2 when he was 13 years old and was selected to be educated at The Leys School in Cambridge with four other boys whilst being trained by national coaches. But being the youngest meant that instead of Leys, he went to St Faith's School down the road, which was a feeder school. He was isolated from the other players and the coaching wasn't to his liking, so after eight months he returned home. He has not criticised the coach in charge, and stated that blaming the Lawn Tennis Association (LTA) would be an easy option. Back home, he did not touch a tennis racquet for two years.

In 2004, he partnered his brother to the semifinal of the Junior US Open. Jamie and Andy call each other 'Tight' as a nickname. Murray said that André Sá is probably his best friend on the tour.