Sidli Assembly constituency was one of the 126 constituencies of the Assam Legislative Assembly in India. Sidli formed a part of the Kokrajhar Lok Sabha constituency.

This constituency was abolished in 2023.

The list of the Members of the Legislative Assembly (MLA) representing Sidli constituency is as follows:

^By-poll

26°32′N 90°27′E / 26.53°N 90.45°E / 26.53; 90.45