| Gyula Bádonyi | |
| Birth Date: | 17 September 1882 |
| Birth Place: | Szerencs, Zemplén County, Austria-Hungary |
| Death Place: | Budapest, Hungary |
| Position: | goalkeeper |
| Years1: | 1898–1899 |
| Clubs1: | Budapesti TC |
| Years2: | 1899–1901 |
| Clubs2: | Budapesti Postás SE |
| Years3: | 1901–1906 |
| Clubs3: | Budapesti TC |
| Nationalyears1: | 1902 |
| Nationalteam1: | Hungary |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Gyula Bádonyi (17 September 1882 – 6 June 1944) was a footballer, first goalkeeper of the Hungary national team.
A thin, high and fast player, Bádonyi used his hands as well. At his time there was a slogen: “Only drunk men lie on the grass!” H was a striker as well, he played well with his head. He started at BTC in 1898. He was among the founders of Budapesti Postás SE. He played here from 1899 to 1901, when he returned to his original club, which won the Hungarian Cup. He left the ground in 1906, maturated in commerce and worked for Magyar Posta.
On 12 October 1902, he played goalkeeper in the first ever match for the Hungary national team against Austria. He never returned to the national team.