István Bagyula, Hungarian pole vaulter
István Bagyula (born 2 January 1969) is a retired Hungarian pole vaulter.
Bagyula was born in Budapest and is a former world junior record holder, having equalled Radion Gataullin's 1984 record of 5.65 metres at the 1988 World Junior Championships. A new championship record at the time, it has not yet been beaten at the WJC. The current world junior record holder is Maksim Tarasov with 5.80 metres.