Shōsetsuka ni Narō

, subtitled, is a Japanese user-generated web novel publishing website created by Yusuke Umezaki (梅崎 祐輔, Umezaki Yūsuke). It was launched on April 2, 2004. Users can upload their novels free of charge and the novels are also free to read. As of May 2021, the site hosts over 800,000 novels, has over 2,000,000 registered users and it receives over 1 billion page views per month.

Over one hundred novel series uploaded to the site have been acquired by various publishers, such as Log Horizon, serialized from 2010 before being acquired by Enterbrain in 2011, and The Irregular at Magic High School, which was serialized between 2008 and 2011 before being acquired by ASCII Media Works.

Futabasha's light novel imprint Monster Bunko was established on July 30, 2014, which exclusively publishes series that originated on Shōsetsuka ni Narō.

Well-known series started as Shōsetsuka ni Narō web novels

 * Ascendance of a Bookworm
 * By the Grace of the Gods
 * Death March to the Parallel World Rhapsody
 * Demon Lord, Retry!
 * The Faraway Paladin
 * The Irregular at Magic High School
 * Isekai Cheat Magician
 * In Another World with My Smartphone
 * I've Been Killing Slimes for 300 Years and Maxed Out My Level
 * Knights & Magic
 * KonoSuba: God’s Blessing on this Wonderful World!
 * Mushoku Tensei: Jobless Reincarnation
 * Restaurant to Another World
 * Re:Zero − Starting Life in Another World
 * The Rising of the Shield Hero
 * The Saint's Magic Power is Omnipotent
 * That Time I Got Reincarnated as a Slime
 * Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs