Thalassery State assembly constituency is one of the 140 state legislative assembly constituencies in Kerala.

[1] As of the 2021 assembly elections, the MLA is A. N. Shamseer of CPI(M).

Thalassery Niyamasabha constituency is composed of the following local self governed segments:[2] The following list contains all members of Kerala legislative assembly who have represented Thalassery Niyamasabha Constituency during the period of various assemblies:[3] Key

* indicates bypolls There were 1,75,143 registered voters in the constituency for the 2021 election.

[4] There were 1,67,024 registered voters in the constituency for the 2016 election.