KonoSuba: God's Blessing on This Wonderful World!, often referred to simply as KonoSuba, is a Japanese light novel series written by Natsume Akatsuki and illustrated by Kurone Mishima. The series follows Kazuma Satou, a boy who is sent to a fantasy world with MMORPG elements following his death, where he forms a dysfunctional adventuring party with a goddess, an archmage, and a crusader. Originally serialized as a web novel on Shōsetsuka ni Narō between December 2012 and October 2013, KonoSuba was published as a printed light novel series by Kadokawa Shoten under the company's Kadokawa Sneaker Bunko imprint from October 2013 to May 2020. The light novel series features a divergent plot.

A light novel is a type of popular literature novel native to Japan, usually classified as young adult fiction targeting teens to twenties. The definition is very vague, and wide-ranging.