The Sixteenth Legislative Assembly of Uttar Pradesh was constituted on 15 March 2012 as a result of 2012 Uttar Pradesh Legislative Assembly election held between 8 Feb to 3 March 2012. The Sixteenth Legislative Assembly has total of 404 MLAs against a total strength of 404 members.

The Uttar Pradesh Legislative Assembly, also known as Uttar Pradesh Vidhan Sabha, is the lower house of the bicameral legislature of Uttar Pradesh. There are 403 seats in the house. Members of the Assembly are elected by an adult universal suffrage and a first-past-the-post system to represent their respective constituencies, and they hold their seats for five years or until the body is dissolved by the Governor on the advice of the council of ministers. The house meets in the Vidhan Sabha Chambers of the Vidhan Bhavan, Lucknow.