Sport in Brunei covers the variety of sports that are played, from amateur to professional levels, across the sultanate of Brunei Darussalam, in addition to individuals and teams who are sent to compete in tournaments both home and abroad. Association football is the most popular sport played in Brunei. Several sports, along with leisure activities are also partaken in Brunei; from badminton and swimming to horseback riding, mountain biking, and paintball.
Individual sports
Outdoor sports
Recreational activities available include exploring Tungku Beach on an all-terrain vehicle while viewing the panorama on the headland. Tours to Kampong Katimahar's agricultural park, which features off-road routes and a diverse range of flora and fauna. Many championship-calibre golf courses are found across the nation, making golf one of the most popular sports in the country.
Around of undeveloped coral reef can be found in the waters off the coast of Brunei. Sunken oil rigs and shipwrecks can be found far below the surface of the water. The underwater diving scene has attracted increasing numbers of local and foreign divers.
Racquet sports
The Brunei national badminton team represents Brunei in international badminton competitions. In Bangkok, Brunei first participated in the 1986 Thomas & Uber Cup qualification rounds. The Bruneian men's team participated in the 1999 Southeast Asian Games for the first time as the host nation. In the quarter-finals of the 2001 Southeast Asian Games, Brunei lost to Malaysia 0-3 despite competing twice. In badminton, Brunei has yet to win a medal. Jaspar Yu Woon Chai, who was selected to represent Brunei in the men's singles competition at the 2016 Summer Olympics in Rio de Janeiro, was the country's first badminton Olympian.
In squash, the Brunei Squash Rackets Association (BSRA) is the sport's national governing organisation, and are tasked to monitor the growth of squash across the nation. The winner of the men's open division of the Sarawak Squash Circuit was Sufri Abdul Hamid. He defeated fellow countryman Huzairie Abang Ali in the Squash Academy final at Pei Lin Middle School in Miri. Saiful Rizal Mohd Ali triumphed over Hasnan Rozanan in a victory on 12 May 2018 at the squash centre of the Hassanal Bolkiah National Sports Complex to win the men's individual open championship of the BSRA Squash Tournament 2018. Huzairie Ali and Safwan Kifrawi, a squash team from Brunei, won bronze at the 6th Southeast Asia Cup Squash Championships 2020 in Bangkok, Thailand. They rose to prominence in the domestic arena and created history by becoming the first team from their nation to win a medal at the Men's Jumbo Doubles competition at the SEA Cup.
Precision sports
In the 2015 Brunei International Skill-at-Arms Meet (BISAM) shooting competition, Brunei was represented by 114 marksmen. Two teams, representing Brunei Darussalam 'A' and 'B', will be made up of a total of 82 personnel of the Royal Brunei Armed Forces (RBAF), while Brunei Darussalam 'C' will be represented by 32 members of the Royal Brunei Police Force (RBPF). Notably, the yearly shooting match between various Women Police branches; while the branches competed for the year's Women Police Commandant Challenge Trophy, competitors in the event put their best marksmanship and gun handling skills to the test.
The only Olympian from Brunei to compete in two Olympic Games is the skeet shooter Prince Abdul Hakeem. In 2000, he finished 45th out of 49 competitors in the men's skeet shooting, which was the best result among Bruneian Olympians.
Cycle sports
All types of cycle riding in Brunei are encouraged by the Brunei Darussalam Cycling Federation (BDCF). Via their collaboration with the ASEAN Cycling Confederation, the BDCF are a wholly non-profit, volunteer-run organisation connected with the Union Cycliste Internationale (UCI). Their mission is to elevate local cycle riding experiences, and reflect the whole diversity of cycling. The national cycling team's performance at the 2nd Mountain Bike (MTB) Kerala International Mountain Cycling Competition in India was bittersweet. Nurjamri Johari was the top cyclist for Brunei, placing sixth with a time of 1:57:30 in the International Cross Country Competition XCO (Elite Men) category, where only 16 of the 26 starters completed the event. For the 2017 Southeast Asian Games (29th SEA Games) in Kuala Lumpur, the national cycling team hoped to provide a serious challenge.
Water sports
The Brunei Amateur Swimming Association (BASA) oversee swimming competitions nationally and internationally.