Jack-of-All-Trades, Party of None[a] is a Japanese light novel series written by Itsuki Togami and illustrated by Yuri Kisaragi. It originally began as a web novel series on the Shōsetsuka ni Narō website in February 2021. Kodansha later began publishing it in print under its Kodansha Ranobe Books imprint in September 2021; nine volumes have been released as of October 2025. A manga adaptation illustrated by Yonezou began serialization on Kodansha's Nico Nico Seiga-based Suiyōbi no Sirius website in October 2021, and has been compiled into eighteen volumes as of March 2026. An anime television series adaptation produced by animation studio42 premiered in January 2026.