Jimmy Anak Ahar (born 3 November 1981) is a Bruneian athlete whom competed at the 2004 Summer Olympics.
In 2004, Jimmy Anak Ahar, a runner who was also unable to advance, a one-man delegation representing Brunei at the 2004 Summer Olympics, running in the 1500 metres.
At the 2005 Borneo Games, Jimmy took the gold medal for the 800 metres event.
His elder brother Sefli is also a long-distance runner while his younger brother Philip is a Bruneian international football player.