Jobie Lee Dajka (11 December 1981 – 4 April 2009) was an Australian professional track cyclist from Adelaide, South Australia.

[2] He missed selection for the 2000 Olympic Games, but competed in the 2002 UCI Track Cycling World Championships, winning the Keirin.

Dajka was sent home from the 2004 pre-Olympic training camp, accused of having lied to the enquiries into the Mark French doping affair.

Following a tribunal on 15 June 2005, he received a three-year ban following an assault on Martin Barras, the Australian national track coach.

[4] Dajka's racing licence was reinstated on 22 December 2006; his ban was lifted early in accordance with conditions set out in the 2005 tribunal- that he sought immediate medical treatment and completed 80 hours of community service.