Choi Yoon-jin (born April 16, 2004), known professionally as JINI (Korean: 지니), is a South Korean singer and dancer under ATOC. She is a former member of the girl group NMIXX with the stage name Jinni. She debuted on October 11, 2023 with the track "C'mon" featuring American rapper Aminé from her debut extended play An Iron Hand In A Velvet Glove.