Jaelyn Dana Mingsum Chin (born 24 December 2007) is an American rhythmic gymnast.

[2] In 2022 she debuted internationally at the Pan American Championships in Rio de Janeiro, winning gold in teams along Rin Keys, Megan Chu and Kseniya Pototski, as well as silver with ball and clubs and bronze in the All-Around.

[3][4][5] That same year she became the national All-Around, clubs and ribbon champion, also winning silver with hoop and ball.

[2] The following year she became a senior, competing at the Fellnach-Schmiden Tournament where she was 6th in the All-Around, with hoop and clubs, 4th with ball and 5th with ribbon.

[9] In April 2024 she competed at the Pacific Rim Championships in Cali, winning gold in teams and silver in the All-Around.