Helena Javornik (born 26 March 1966, in Celje) is a Slovenian long-distance runner who has specialized in all distances from 1500 metres to the marathon race.

This biography of a living person needs additional citations for verification. (February 2013)

She holds the current national record in 10,000 m with 31:06.63 minutes, achieved at the 2004 Summer Olympics.

She won the Ljubljana Marathon three times consecutively between 1996 and 1998. Her course record of 2:32:33 went unbettered for eleven years.

She tested positive for EPO in March 2008 and was banned for two years by the International Association of Athletics Federations in June 2008. The ban was upheld by the Court of Arbitration for Sport; she will next be eligible to compete in June 2010.^{[1][needs update]}