Jón Kalman Stefánsson (born 17 December 1963) is an Icelandic author.

From 1975 to 1982, he lived in western Iceland, where he worked different jobs after finishing high school.

From 1986 to 1991, he studied literature at the University of Iceland, but did not pass an important exam.

During this time, Stefánsson taught courses at high schools and wrote articles for the Icelandic newspaper Morgunblaðið.

Afterwards he returned to Iceland and worked as a librarian for the Municipal Library in Mosfellsbær.