- Titles: Tanba no kami
- Japanese: 一色 直休 (Isshiki Naoyasu)
Isshiki Naoyasu was a Tokugawa shogunate official who served as fushin bugyô (public works magistrate) prior to being named Nagasaki bugyô in 1850 and then being reassigned to the position of kanjô bugyô (finance magistrate) a few months later. Isshiki remained kanjô bugyô until 1852.
- Ishin Shiryô Kôyô 維新史料綱要, vol 1 (1937), 266, 286.