Kim Ji-soo, better known by the mononym Jisoo, is a South Korean singer and actress. Kim Ji-soo (Korean: 김지수; born January 3, 1995), better known by the mononym Jisoo, is a. Kim Ji-soo (Korean: 김지수; born 30 March 1993), professionally known as Ji Soo , is a South. BLACKPINK JISOO AGE In 2020, BLACKPINK Jisoo's age is now 25 years old. Blackpink is south kpop group which consists of four members: Kim Jisoo, Kim Jennie, Park Chaeyoung and Lalisa Manoban. The members are Jisoo, Jennie, Rosé, Lisa.