Kim Ji-yeon (Korean: 김지연; born August 19, 1995), better known by her stage name Bona, is a South Korean singer and actress. She is a member of the South Korean-Chinese girl group WJSN, and also its sub-unit WJSN The Black. She made her acting debut in the KBS2 drama Hit the Top (2017), and was cast as the female lead in the teen drama Girls' Generation 1979 (2018). Most recently, Bona gained recognition for her portrayal as world champion and gold medalist fencer Ko Yu-rim in the tvN drama Twenty-Five Twenty-One (2022).

苞娜（朝鲜语：보나 Bo na，英语：Bona，1995年8月19日－），本名金知妍（朝鲜语：김지연 Kim Ji Yeon，英语：Kim Ji Yeon），韩国女歌手、演员。曾是Cube娱乐练习生，现为STARSHIP娱乐旗下女子组合宇宙少女成员，队内担任领舞、副唱、门面。2016年2月25日以宇宙少女成员身份，发行首张迷你专辑《WOULD YOU LIKE?》正式出道。2021年5月与雪娥、EXY、恩熙组成宇宙少女子团THE BLACK。

代表作品 影视：《最佳的一击》《内衣少女时代》《你的管家》《二十五，二十一》。