István Bagyula

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 m at the 1988 World Junior Championships. A new championship record at the time, it has not yet been beaten at the WJC. Maksim Tarasov is the world junior record holder with 5.80 m.

Bagyula competed for the George Mason Patriots track and field team, where he won an NCAA DI title in the pole vault.