Novels

• House of Windows (2009)
• The Fisherman (2016)

Collections

• Mr. Gaunt and Other Uneasy Encounters (2008)
• The Wide Carnivorous Sky and Other Monstrous Geographies (2013)
• Sefira and Other Betrayals (2019)
• Children of the Fang and Other Genealogies (2020)
• Corpsemouth And Other Autobiographies (2022)

Anthologies

• Creatures: Thirty Years of Monsters (2011) with Paul G. Tremblay

Included in anthologies

• “Altered Beast, Altered Me”, in Final Cuts: New Tales of Hollywood Horror and Other Spectacles (2020)
• “Natalia, Queen of the Hungry Dogs”, in Echos: The Saga Anthology of Ghost Stories (2019)
• “The Deep Sea Swell”, in The Devil and the Deep: Horror Stories of the Sea” (2018)
• “Lost in the Dark”, in Haunted Nights (2017)
• "Ymir", in Children of Old Leech: A Tribute to the Carnivorous Cosmos of Laird Barron (2014)
• "Sweetums", in A Season In Carcosa (2012)
• "In Paris, in the Mouth of Kronos", in The Best Horror of the Year: Volume Four (2012)
• "City of the Dog", in The Best Horror of the Year: Volume Three (2011)
• "Technicolor", in The Best Horror of the Year: Volume Two (2010)
• "The Shallows", in Cthulhu's Reign (2010) and The Book of Cthulhu (2011)
• "Mr. Gaunt", in New Cthulhu: The Recent Weird (2011)
• "Episode Seven: Last Stand Against the Pack in the Kingdom of the Purple Flowers", in Wastelands: Stories of the Apocalypse (2008)
• "Anchor", in Autumn Cthulhu (2016)

Short fiction

• "On Skua Island" (2001)
• "Mr. Gaunt" (2002)
• "Tutorial" (2003)
• "Episode Seven: Last Stand Against the Pack in the Kingdom of Purple Flowers" (2007)
• "Kids" (2008)
• "How the Day Runs Down" (2008)
• "Laocöon, or, The Singularity" (2008)
• "Technicolor" (2009)
• "The Wide, Carnivorous Sky" (2009)
• "City of the dog". F&SF. 118 (1&2): 222–256. January–February 2010.
• "The Shallows" (2010)
• "The Revel" (2010)
• "In Paris, in the Mouth of Kronos" (2011)
• "The Unbearable Proximity of Mr. Dunn's Balloons" (2011)
• "The Third Always Beside You" (2011)
• "Renfrew's Course" (2012)
• "Bloom" (2012)
• "Sweetums" (2012)
• "Hyphae" (2012)
• "With Max Barry in the Nearer Precincts" (2013)
• "Mother of Stone" (2013)
• "June, 1987. Hitchhiking, Mr. Norris" (2013)
• "Children of the Fang" (2014)
• "Episode Three: On the Great Plains, in the Snow" (2014)
• "To See, to Be Seen" (2016)

Essays

• "Letter" (Weird Tales, Winter 2001–02) (2001)
• "Sailing the True Void: H. P. Lovecraft un Fritz Leiber's THE WANDERER" (2004)
• "Strange Stories" (2007)
• "Metaphysical Labyrinths and Fairy-Tale Archetypes" (2007)
• "Domination of Black" (2007)
• "Open Mouths, Ready to Feed" (2007)
• "Boxing Lessons in a Bar: An Appreciation of Lucius Shepard" (2007)
• ""Feed Me, Baby, Feed Me": Beyond the Pleasure Principle in Fritz Leiber's "Girl with the Hungry Eyes"" (2008)
• "Sympathy for Ig" (2010)
• "The H Word: Choosing Gruesome Subjects" (2013)
• "The Whirlpool: With Howard and Eudora on the Banks of the Perdido" (2014)

• John Langan at the Internet Speculative Fiction Database
• http://www.shirleyjacksonawards.org/jurors-advisory-board-board-of-directors/
• http://www.shocktotem.com/06/25/2014/a-conversation-with-john-langan/
• https://web.archive.org/web/20140912002302/https://www.marist.edu/registrar/catalog/pdfs/undergrad1415/adjunctfaculty.pdf
• https://pstdarkness.com/2016/07/14/pstd-interview-john-langan/