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. 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.