Martin Liao Cheung-kong, JP (Chinese: 廖長江, born 1957) is a non-official member of the Executive Council of Hong Kong and a member of Legislative Council of Hong Kong for Commercial (Second) constituency and a barrister.

[1] Liao received his honorary Bachelor of Science in Economics and Master of Laws from University College London.

In the 2012 Hong Kong legislative election, Liao secured the Commercial (Second) functional constituency, nominated by the Chinese General Chamber of Commerce, uncontested.

He became convenor of the pro-establishment caucus after Ip Kwok-him of the Democratic Alliance for the Betterment and Progress of Hong Kong (DAB) retired.

"[6] In February 2021, after Xia Baolong said that only "patriots" could be part of the Hong Kong government and that electoral changes would be needed, Liao agreed and said that it was not up to those in Hong Kong to decide rules on electoral changes, and that "It must be a matter for the National People's Congress and the National People's Congress Standing Committee.