is a Japanese light novel series written by Tamamaru and illustrated by Kinta. It began serialization on the user-generated novel publishing website Shà Âsetsuka ni Narà  in December 2018. It was later acquired by Fujimi Shobo who began publishing it under their Kadokawa Books light novel imprint in December 2019. A manga adaptation illustrated by Yoshino Himori began serialization in ASCII Media Works' Dengeki Comic Regulus magazine in July 2020.
After a middle-aged white-collar worker named Eizo is hit by a truck while attempting to save a stray cat, the cat reveals itself to be an entity with god-like powers, and grants him a reincarnation in a fantasy world. While Eizo wishes to have a relaxing life as a blacksmith alongside a pet cat, his blacksmithing abilities are overpowered, and he begins living with a tiger-like girl instead of a pet.
Written by Tamamaru, My Quiet Blacksmith Life in Another World began serialization on the user-generated novel publishing website Shà Âsetsuka ni Narà  on December 18, 2018. It was later acquired by Fujimi Shobo who began publishing it as a light novel with illustrations by Kinta on December 10, 2019. Thirteen volumes have been released as of January 2026.
During their Anime NYC 2021 panel, J-Novel Club announced that they licensed the light novels for English publication. J-Novel Club are also releasing audiobook versions.
A manga adaptation illustrated by Yoshino Himori began serialization on ASCII Media Works' Dengeki Comic Regulus manga website on July 3, 2020. The manga's chapters have been compiled into six tankà Âbon volumes as of December 2025. The manga adaptation is also licensed in English by J-Novel Club.