Tiberiu Olah or Tibor Oláh (2 January 1928 – 2 October 2002) was a Romanian-Hungarian composer, teacher and musicologist.Tiberiu Olah was born in Arpad, Bihor, and began his studies at the Cluj Conservatory in 1946. From 1949-54 he studied at the Moscow Conservatory, and in 1958 he took a position as a lecturer and later as a professor at the Bucharest Conservatory. Notable students include Doina Rotaru, Horațiu Rădulescu and Christian Wilhelm Berger.
Olah was a member of the Csodamalom Bábszínház Puppet Theater where he acted as a puppeteer. He received grants for research in musicology and presented studies and papers internationally. He also published reviews and articles in journals including Studii de Muzicologie, Muzica, România Literară and Melos. He died in Târgu Mureș.