Márta Sebestyén (born 19 August 1957, Budapest) is a Hungarian folk vocalist, as well as a composer and actress.

Sebestyén's mother is a composer, and was a music student of Zoltán Kodály. Her father was an economist and author. When Sebestyén was seven years old, her father, returning from a trip to the U.S. as a visiting professor (under a grant from the Ford Foundation), brought home a large collection of ethnic music recordings from the Smithsonian Institution.