Tihamér Fabinyi (7 August 1890 – 11 June 1953) was a Hungarian politician who served as Minister of Finance between 1935 and 1938.

He served as director of law of the Ganz Danubius Joint Stock Company, then he later worked as a lawyer.

He collaborated in the development of the Hungarian-Italian commercial contacts, Danube seafaring, tourism, and the resort area of Lake Balaton.

Fabinyi was the head of the General Credit Bank of Hungary from 1938 until 1944.

After the occupation of Hungary, he emigrated to Switzerland, then the United States.