in Latin script) is a Japanese dark fantasy light novel series written by Kumo Kagyu and illustrated by Noboru Kannatsuki.

Goblin Slayer was posted on an online textboard starting from October 2012, as a work that combined ASCII art with dialogue (the format is known as "Yaruo Thread" on Japanese internet).

The novel was subsequently amended to match the ending of the online version, which was created according to real time feedback from users on the internet.

[7] Although the novel version failed to win awards in the Fujimi Fantasia Contest, it was picked up by GA Bunko editors when the author enrolled his other works into their competition.

A spin-off novel written by Kagyu and illustrated by Shingo Adachi, titled Goblin Slayer Side Story: Year One (ゴブリンスレイヤー外伝：イヤーワン, Goburin Sureiyā Gaiden: Iyā Wan), published the first volume on March 15, 2018.

Kagyu released a second spinoff, titled Goblin Slayer Side Story II: Dai Katana (ゴブリンスレイヤー外伝２ 鍔鳴の太刀《ダイ・カタナ》, Goburin Sureiyā Gaiden 2: Tsubanari no Daikatana), in the Gangan GA online magazine.

[2] Yen Press licensed the series at the same time as the light novels,[17][2] and are simulpublishing the chapters in English as they are released in Japan.

[19][20] Artist Kento Eida launched a prequel manga, titled Goblin Slayer Side Story: Year One, in Square Enix's seinen magazine Young Gangan on September 15, 2017.

[22] A second adaptation of the main story, this one titled Goblin Slayer: Brand New Day and illustrated by Masahiro Ikeno, was serialized in Square Enix's Monthly Big Gangan from May 25, 2018 to May 27, 2019, and was compiled into two volumes.

[26][27] A 12-episode anime television series adaptation by White Fox premiered from October 7 to December 30, 2018,[b] and was broadcast on AT-X, Tokyo MX, Sun TV, and BS11.

[28][29][30][31] The series is directed by Takaharu Ozaki, with scripts penned by Hideyuki Kurata and Yōsuke Kuroda, character designs handled by Takashi Nagayoshi and music composed by Kenichiro Suehiro.

[37][38] It is produced by Liden Films and directed by Misato Takada, with Ozaki serving as chief director, and Hiromi Kato designing the characters.

[46] In January 2023, Goblin Slayer Another Adventurer: Nightmare Feast was announced for Nintendo Switch and PC (via Steam).

Goblin Slayer was one of two works cited by Matt Shaheen as pornographic when justifying his efforts to lead a book ban in Texas schools.