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.
International competitions
| Year | Competition | Venue | Position | Notes |
|---|---|---|---|---|
Representing  Hungary |
||||
| 1986 | World Junior Championships | Athens, Greece | – | NH |
| 1987 | European Junior Championships | Birmingham, United Kingdom | 2nd | 5.30 m |
| World Championships | Rome, Italy | 19th (q) | 5.00 m | |
| 1988 | European Indoor Championships | Budapest, Hungary | 14th | 5.40 m |
| World Junior Championships | Sudbury, Canada | 1st | 5.65 m (CR) | |
| Olympic Games | Seoul, South Korea | 7th | 5.60 m | |
| 1989 | European Indoor Championships | The Hague, Netherlands | 6th | 5.60 m |
| Universiade | Duisburg, West Germany | 6th | 5.30 m | |
| World Indoor Championships | Budapest, Hungary | 6th | 5.50 m | |
| 1990 | European Indoor Championships | Glasgow, United Kingdom | 5th | 5.60 m |
| European Championships | Split, Yugoslavia | 10th | 5.20 m | |
| 1991 | Universiade | Sheffield, United Kingdom | 1st | 5.80 m UR |
| World Championships | Tokyo, Japan | 2nd | 5.90 m | |
| 1992 | European Indoor Championships | Genoa, Italy | 2nd | 5.80 m |
| Olympic Games | Barcelona, Spain | 9th | 5.30 m | |
| 1993 | Universiade | Buffalo, United States | 1st | 5.70 m |
| World Championships | Stuttgart, Germany | 10th | 5.70 m | |
| 1994 | European Indoor Championships | Paris, France | 5th | 5.70 m |
| European Championships | Helsinki, Finland | 10th | 5.60 m | |
| 1995 | World Indoor Championships | Barcelona, Spain | 15th (q) | 5.60 m |
| World Championships | Gothenburg, Sweden | 14th (q) | 5.55 m | |
| Universiade | Fukuoka, Japan | 1st | 5.70 m | |
| 1997 | World Indoor Championships | Paris, France | 16th (q) | 5.45 m |