1903 establishments in Hungary

Nemzeti Sport (the title means "National Sport") is a Hungarian sports daily.

Biatorbágyi Sport Egyesület is a professional football club based in Biatorbágy, Pest County, Hungary. The club competes in the Pest county league.

Typographia Sport Club was a Hungarian football club from the town of Budapest.

Bácsmegyei Napló (lit. County of Bács Journal) was a Hungarian language daily newspaper. The first issue of the paper was published on June 14, 1903, with the purpose of serving as the information source for the Magyars and Hungarian language-speaking population in Bács-Bodrog County within the Kingdom of Hungary in Austria-Hungary. It was also published in the Kingdom of Serbs, Croats and Slovenes. The paper was published in Subotica (Today in Serbia). Bácsmegyei Napló survived World War I the ban from 1917 and it reappeared in 1920. It was banned again in March 1920 but reappeared in August the same year. Its editors-in-chief were Ferens Fenyves, Imre Dugovich, Kosztolányi, László Czebe, Lazar Stipić, and Mihály Bródy. Bácsmegyei Napló was finally disestablished in 1941.

Nogometni klub Nafta Lendava (English: Nafta Lendava Football Club), commonly referred to as NK Nafta Lendava or simply Nafta, was a Slovenian football club which played in the town of Lendava. The club was founded under the Hungarian name Lendvai Football Egyesület in 1903. They were regarded as the oldest Slovenian football club until they filed for bankruptcy and were dissolved following the 2011–12 Slovenian PrvaLiga season. The club played in the Yugoslav First League for one season, in 1946–47.