Julia Viellehner (6 September 1985 – 22 May 2017) was a German long-distance duathlete and triathlete who competed in long-distance world duathlon and triathlon championships.

[1] Viellehner was brought up in a family of athletes in Winhöring, Upper Bavaria.

Her father Johann was a summiteer and her mother Irmgard was a keen marathon runner.

In 2014, her family were distressed when her brother Raphael and her father disappeared when they went hiking on a mountain tour on Aoraki / Mount Cook in New Zealand.

She suffered severe injuries and was put into a medically induced coma for a week before she died.