Qín Jīng 秦菁 (fl. Jìn) is a Jìn-period figure recorded in the early bibliographic tradition only as the author of the Qínzǐ 秦子, a zǐbù treatise listed in the Suí shū jīngjí zhì 隋書經籍志 in 3 juàn. No biography survives in the standard histories. His exact birth and death years are not preserved; he is conventionally placed in the Jìn period. CBDB has no entry.
In the Kanripo corpus he is the attributed author of KR3a0150 Qínzǐ 秦子.