Zhōu Chéng 周成 (fl. fourth century), a Jìn 晉 lexicographer recorded in the Suí shū jīngjí zhì 隋書‧經籍志 as the compiler of two xiǎoxué glossaries: Zá zì jiě gǔ 雜字解詁 (KR1j0101) in four juàn and Zhōuchéng nán zì 周成難字 (KR1j0102, usually titled by the author’s name) in one juàn. Both works survive only in fragments preserved chiefly in Buddhist yīnyì literature (the Tang-period Yīqièjīng yīnyì of Shì Xuányìng / Huìlín) and in Guǎngyùn citations; both are reconstructed in CHANT. No biography in any standard history. The doubled cataloging of “Zhōu Chéng’s” name in the Nán zì title is the editorial convention for distinguishing it from the more generic Zá zì title also in circulation. CBDB has no matching entry.