The Democratic Alliance, previously the Yuen Long Tin Shui Wai Democratic Alliance, was a pro-democracy, pro-ROC political group in Hong Kong established in 2003 and dissolved in 2021.

[1] The final chairman of the alliance was Johnny Mak Ip-sing, who was also a member of Yuen Long District Council.

The alliance was established in 2003 by a group of pro-Kuomintang politicians under the initiatives of the Legislative Council member Albert Chan Wai-yip after he split from the Democratic Party and wanted to consolidate his political base in the New Territories West.

Johnny Mak became the only People Power candidate win a seat in the 2011 District Council elections.

In 2012, the Democratic Alliance broke apart from the People Power as Johnny Mak wanted to lead a candidate list in the coming 2012 LegCo elections.