Count Tibor Károlyi de Nagykároly (26 September 1843 – 5 April 1904) was a Hungarian politician, who served as Speaker of the House of Magnates between 1898 and 1900.

Tibor married Countess Emma Degenfeld-Schonburg, they had five children, including Gyula who later became Prime Minister of Hungary, Antal, Imperial and Royal Chamberlain, and Imre, who functioned as Knight of Malta.

He was appointed Speaker of the Upper House on 17 June 1898 when his predecessor Vilmos Tóth died in office.

He participated in the significant water control operations, whereby he was chairman of the companies which carried out discharge of Tisza, Maros, Körös, Szamos rivers, regulation of Nyírvíz and draining of Ecsed Marsh.

His social work also undertaken; became chairman of the Hungarian Fine Arts Society, following Arnold Ipolyi in that position.