Jū (鞠 or 居; also a variant of Zhu) is a Chinese family name.
Notable people 鞠 Ju Ping (鞠萍; born 1966), Chinese host Ju Yingzhi (鞠盈智; born 1987), Chinese-born Hong Kong footballer Ju Jingyi (鞠婧祎; born 1994), Chinese idol singer Ju Feng (鞠枫; born 1995), Chinese footballer
居 Ju Wenjun (居文君; born 1991), Chinese chess player