Yuji or Yu Ji may refer to:
- Yūji, a common masculine Japanese given name
- Consort Yu (虞姬; Yuji), the concubine of Xiang Yu, subject of the play Farewell My Concubine
- Gan Ji, a Taoist who lived in the late Han Dynasty. His name was believed to be misspelled as "Yu Ji".
- 47077 Yuji, a main-belt asteroid
- Towns
- Yuji, Wuqiao County (于集镇), in Wuqiao County, Hebei
- Yuji, Shangcheng County (余集镇), in Shangcheng County, Henan
- Yuji, Linghai (余积镇), in Linghai City, Liaoning
- Yuji, Liaocheng (于集镇), in Dongchangfu District, Liaocheng, Shandong
- Townships
- Yuji Township, Funan County (于集乡), Anhui
- Yuji Township, Lingbi County (虞姬乡), in Lingbi County, Anhui
- Yuji Township, Ling County (于集乡), in Ling County, Shandong