The Tuen Mun District Council is the District Council of Tuen Mun District, in the New Territories. It is one of 18 such councils. The Council consists of 32 members with 6 members of those elected through first past the post system every four years, 12 district committee members, 13 appointed members, and 1 ex officio member who is the Tuen Mun Rural Committee chairman. The latest election was held on 10 December 2023.

The 2019 Hong Kong District Council elections were held on 24 November 2019 for all 18 District Councils of Hong Kong. 452 seats from all directly elected constituencies, out of the 479 seats in total, were contested. Nearly three million people voted, equivalent to 71 per cent of registered voters, an unprecedented turnout in the electoral history of Hong Kong. The election was widely viewed as a de facto referendum on the concurrent anti-extradition protests.