The Third Cabinet of Lee Hsien Loong of the Government of Singapore came into existence on 21 May 2011 following the 2011 general election.

While many of its members were retained from the previous government, Heng Swee Keat and Chan Chun Sing, who had both just been elected, were given ministerial appointments.

From 1 November, Chan Chun Sing assumed the designation of Acting Minister for Social and Family Development, while Lawrence Wong was brought into the Cabinet for the first time as Acting Minister for Culture, Community and Youth.

At the 2011 general election, Senior Minister Shunmugam Jayakumar did not contest his seat as part of the East Coast Group Representation Constituency and thus retired from the Cabinet.

[4] Four days later, on 18 May, Prime Minister Lee Hsien Loong announced a new Cabinet line-up.

With effect from 1 September, Chan Chun Sing was promoted to the full Minister and will continue to helm the Ministry of Social and Family Development.

Low Yen Ling was appointed Parliamentary Secretary in the Ministry of Social and Family Development from 1 October 2013 onwards.

Tan relinquished his appointment as Senior Minister of State in the Ministry of National Development.

Dr. Lam Pin Min was appointed Minister of State for Health with effect from 1 August, while Low Yen Ling was appointed Parliamentary Secretary for the Ministry of Culture, Community and Youth in addition to her current portfolio in the Ministry of Social and Family Development from 1 May.