Sam F.S. Chin (Chin Fan Siong, 曾帆祥, born August 1, 1954) is the Grandmaster and Gatekeeper of the martial art called I Liq Chuan, and also known as "the Martial Art of Awareness". Chin developed the grading system for this system.

Chin was trained since childhood by his father, Chin Lik Keong, founder of I Liq Chuan, and in 1978, he won the state heavy weight kickboxing championships of Selangor (Malaysia). In August 2009 Chin was officially named the Gate Keeper and Lineage Holder of the I Liq Chuan. He is also the founder and President of Chin Family I Liq Chuan Association that supports the martial art's growth.

Chin has taught workshops worldwide , written two books on his family's martial art, co-authored articles, and produced a series of DVDs. Chin was interviewed by Jess O'Brien for his 2007 book "Nei Jia Quan: Internal Martial Arts".

In August 2009, Chin was also recognized by the USA Wushu Kung-Fu Federation as a Hall of Fame Outstanding Master. In 2014, he was written about by Ashe Higgs in Kung Fu Tai Chi Magazine "Finding the Center: I Liq Chuan’s Three Essential Qualities for Offense and Defense as One". Chin was also the subject of the 2016 CCTV Documentary "Kung Fu Abroad: I Liq Chuan 中央电视台《功夫在外》纪录片".

On November 15, 2017 Sam Chin became an honorary professor at the University of Plovdiv, Bulgaria in recognition of his lifetime of achievement in spreading I Liq Chuan.
What is I Liq Chuan?
I Liq Chuan is a style of martial art founded by Chin Lik Keong from Malaysia that is also known as the "Martial Art of Awareness".