István Jankovich
Slovak sprinter
István Jankovich (Slovak: Štefan Jankovich, October 17, 1889 – February 21, 1974) was a Slovak track and field athlete who competed for Hungary in the 1912 Summer Olympics.
He was born in Pozsony (present-day Bratislava) and died in Budapest.
In 1912 he was eliminated in the semifinals of the 100 metres competition. He was also a member of the Hungarian team which was eliminated in the semifinals of the 4x100 metre relay competition.