Icelandic films by first letter:
- Jan Mayen, 1990 Director: Ari Trausti Guðmundsson.
- Jar City, 2006 Director: Baltasar Kormákur. Watch now
- Jarðfræði Reykjavíkur, 1989 Directors: Ari Trausti Guðmundsson, Halldór Kjartansson.
- Jean, 1998 Director: Bjargey Ólafsdóttir.
- Jeffrey & Beth, 2008 Director: Guðmundur Arnar Guðmundsson.
- Jitters, 2010 Director: Baldvin Z. Watch now
- Joel, 2010 Director: Hlynur Pálmason.
- Johanna: The Last Battle, 2015 Director: Björn Brynjúlfur Björnsson.
- Johannes, 2009 Director: Þorsteinn Gunnar Bjarnason.
- John and Reverend John, 2011 Director: Steinþór Birgisson.
- Johnny International, 2001 Director: Árni Sveinsson.
- Journey, 2021 Director: Baldvin Z. Watch now
- Journey to the Center of the Earth, 1994 Director: Ásgrímur Sverrisson.
- Journey's End, 2013 Directors: Björn Hlynur Haraldsson, Ragnar Hansson.
- Juniper Tree, The, 1989 Director: Nietzchka Keene.
- Just Like a Painting by Eggert Pétursson, 2020 Director: Gunnlaugur Þór Pálsson.
- Just Like You, 2014 Director: Bragi Þór Hinriksson.
- Jöklar á fljúgandi ferð, 1995 Director: Ari Trausti Guðmundsson.
- Jökulsárgljúfur, 1987 Directors: Ari Trausti Guðmundsson, Halldór Kjartansson.
- Jörð úr ægi, 1974 Director: Ósvaldur Knudsen.