Yoshitsura ISSHIKI (1400 - June 14, 1440) was a shugo daimyo (shugo, which were Japanese provincial military governors, that became daimyo, which were Japanese feudal lords) in the early Muromachi period.
一色義貫（いっしきよしつら、1400年（応永7年）-1440年6月14日（永享12年5月15日(旧暦)））は、室町時代前期の守護大名。