László Márton was born in Budapest in 1959. He graduated from the Faculty of Arts at ELTE with a Hungarian-German-Sociology major in 1983. Since then, he has been freelancing.

His first work, a one-act play was published in a now defunct journal Mozgó Világ (Moving World) in 1981, and his first book, a collection of novellas, was published in 1984. He has since been writing and publishing and also translating classic works of German and Austrian literature. About fifteen plays of his were presented in theaters in Budapest and other parts of Hungary. Of these, the most important is a drama trilogy set during the period of Ottoman rule titled A nagyratörő (The Ambitious) (Eger, 2008–2010, directed by Tibor Csizmadia). He has also written radio plays and movie scripts, two of which were directed by Zoltán Kamondi: Tudatalatti megálló (Subconscious Station, 1990) and Halj már meg! (Die already!, 2016). Some of his significant literary prizes: the Tibor Déry Prize (1991); the Attila József Prize (1997); the Milán Füst Prize (1999); The Laurel Wreath of the Hungarian Republic (2004); the Sándor Márai Prize (2007); the Janus Pannonius Translation Prize (2013); the Glass Ball Prize, Budapest, Shop of Writers (2016). Márton is married and the father of three children.