Demchak ( uk, Демчак) is a gender-neutral Ukrainian surname. Notable people with the surname include: *

Ruslan Demchak Ruslan Yevheniiovych Demchak ( uk, Руслан Євгенійович Демчак; born 5 July 1974) is a Ukrainian businessman, politician and diplomat. He previously served as a People's Deputy of Ukraine from 27 November 2014 to 29 August ...

(born 1974), Ukrainian politician *

William S. Demchak William Stanton Demchak (born August 24, 1962) is a business executive in the finance industry as the current chief executive officer of PNC Financial Services. He is credited with being one of the earliest adopters of the credit default swap, e ...

(born 1962), American business executive * Brandon C. Demchak (born 1987), American filmmaker

See also