Joseph Lee Kok-long SBS (born 14 August 1959, Macau) is a former member of the Legislative Council of Hong Kong (Legco), representing the Health Services functional constituency.

In 2002 he completed his PhD thesis, Ascertaining Patient Condition: a grounded theory study of diagnostic practice in nursing from Lingnan University in Hong Kong.

[3] In June 2010, he voted in favour of the government's 2012 constitutional reform package, which included the late amendment by the Democratic Party – accepted by the Beijing government – to hold a popular vote for five new District Council functional constituencies.

[3] On 6 January 2021, Lee was among 53 members of the pro-democratic camp who were arrested under the national security law, specifically its provision regarding alleged subversion.

The group stood accused of the organisation of and participation in unofficial primary elections held by the camp in July 2020.