Honkan was a general term of government posts which did not belong to the system for shitokan (four classifications of bureaucrats' ranks) of each government official in the ritsuryo system (a system of centralized government based on the ritsuryo code [historical law system]) of Japan.
品官（ほんかん）とは、日本の律令制において各官司の四等官の体系に属しない官職の総称を指す。