Ștefan (Stefan, Stepan) Erdélyi (17 November 1905, in Temesvár (now Timișoara) – 26 October 1968, in Reșița) was a Hungarian–Romanian chess master.
Born in Temesvár (then Austria-Hungary), he lived in Romania after World War I.
He took 4th at Bucharest 1925 (Alexandru Tyroler won), shared 1st with János Balogh at Cernăuți (Chernivtsi) 1930 (Romanian Chess Championship, the title went to his co-winner).
[2] He twice played for Romania in Chess Olympiads at Prague 1931 and Warsaw 1935.
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