Muhammad Isa Ahmad


Muhammad Isa Ahmad, also known as Muis Isa, is a Bruneian swimmer. He grew up in Bandar Seri Begawan Brunei, spending his early school years at International School Brunei and completing his sixth form studies overseas at Millfield School. Muis is one of 7 children.
Muis competed in the 2012 [FINA World Swimming Championships – Men's 50 metre breaststroke|50 m] and 2012 [FINA World Swimming Championships – Men's 50 metre breaststroke|100 m breaststroke events] at the 2012 FINA [World Swimming Championships ] and in the Swimming at the [2013 World Aquatics Championships – Men's 50 metre breaststroke|50 m] and Swimming at the 2013 [World Aquatics Championships – Men's 100 metre breaststroke|100 m breaststroke events], the former of which he currently holds the national record with a time of 31.29 seconds, at the 2013 [World Aquatics Championships]. In 2019, Muis represented Brunei at the 2019 World Aquatics Championships held in Gwangju, South Korea and he competed in the Swimming at the [2019 World Aquatics Championships – Men's 50 metre breaststroke|men's 50 metre breaststroke] and men's 100 metre breaststroke events. Muis made his debut at the Tokyo 2020 Olympics, representing Brunei, swimming the 100 m breaststroke race in 1:08.65.