Hanjin Tan (born 27 January 1976) is a Singaporean record producer, songwriter, singer, and actor based in Hong Kong.

Hanjin Tan was born on 27 January 1976 in Singapore in a conservative Hainanese family of two siblings.

[3] While attending Anglo-Chinese School, Tan sang in the choir and picked up some vocal basics.

While there, he got opportunities to write and produce songs for Jacky Cheung and Eason Chan which helped kickstart his music career.

With over 400 songs to his songwriting credit, he has also worked with various other artistes, including Coco Lee, Sammi Cheng, Joey Yung, and Christina Aguilera over the years.