:Tamil Nadu Legislature

{{Use dmy dates|date=July 2023}}

{{More citations needed|date=July 2023}}

{{Infobox legislature

| name = Tamil Nadu Legislature

| native_name =

| legislature =

| coa_pic = TamilNadu Logo.svg

| coa_res = 200px

| coa_alt =

| house_type = Unicameral

| body =

| houses =

| leader1_type = Speaker

| leader1 = M. Appavu

| party1 = DMK

| election1 = 2021

| leader2_type = Deputy Speaker

| leader2 = K. Pitchandi

| party2 = DMK

| election2 = 2021

| leader3_type = Chief Minister

| leader3 = M. K. Stalin

| party3 = DMK

| election3 = 7 May 2021{{cite news|title=Edappadi Palaniswami sworn in as Tamil Nadu Chief Minister|newspaper=The Hindu|date=16 February 2017|url=https://www.thehindu.com/news/national/tamil-nadu/Edappadi-Palaniswami-sworn-in-as-Tamil-Nadu-Chief-Minister/article17315261.ece|access-date=16 February 2017|last1=Ramakrishnan|first1=T}}

| leader4_type =

| leader4 = Govi. Chezhian

| party4 = DMK

| election4 = 2021

| leader5_type = Leader of the Opposition

| leader5 = Edappadi K. Palaniswami

| leader6_type = Deputy Leader of the Opposition

|leader6 = R. B. Udhayakumar

| party5 = AIADMK

| election5 = 2021

| members = 234

| structure1 = Tamil Nadu Legislative Assembly election 2021.svg

| political_groups1 = *

Government (159)

SPA (159)

• {{Color box|{{Party color|Dravida Munnetra Kazhagam}}}} DMK (134)
• {{Color box|#00BFFF}} INC (17)
• {{Color box|{{party color|Viduthalai Chiruthaigal Katchi}}}} VCK (4)
• {{Color box|#FF3737}} CPI(M) (2)
• {{Color box|#DD1100}} CPI (2)

Opposition (62)

AIADMK+ (62)

• {{Color box|{{Party color|All India Anna Dravida Munnetra Kazhagam}}}} AIADMK (62)

Others (13)

N.D.A. (13)

• {{Color box|{{Party color|Pattali Makkal Katchi}}}} PMK (5)
• {{Color box|{{Party color|Bharatiya Janata Party}}}} BJP (4)
• {{Color box|{{Party color|Independent politician}}}} IND (4)

Vacant seats

:{{Color box|#FFFFFF}} Vacant (1)

| structure1_res = 250px

| structure2 =

| structure2_res =

| structure2_alt =

| committees1 =

| committees2 =

| joint_committees =

| voting_system1 = First-past-the-post

| voting_system2 =

| last_election1 = 6 April 2021

| next_election1 = April 2026

| session_room = Fort St. George, Chennai 2.jpg

| session_res = 120px

| session_alt =

| meeting_place = Fort St. George, Tamil Nadu Legislature Hall

| website = [https://www.assembly.tn.gov.in Tamil Nadu Legislative Assembly]

| footnotes = The Assembly was established in 1937 for the Madras Presidency. The Presidency became Madras State in the Republic of India in 1950; Madras State in its current state was formed in 1956 and renamed as Tamil Nadu on 14 January 1969

}}

The Tamil Nadu Legislature is the unicameral legislature of the Indian state of Tamil Nadu. The Legislature is composed of the Tamil Nadu Legislative Assembly and the state's governor.

Until 1 November 1986, the Tamil Nadu Legislature was a bicameral legislature which included the Tamil Nadu Legislative Council as the upper house, with the Legislative Assembly being the lower house.

In 2010, the erstwhile Dravida Munnetra Kazhagam government took steps to revive the Tamil Nadu Legislative Council and convert the legislature back into a bicameral one, but the administration lost power before completing the transition. The All India Anna Dravida Munnetra Kazhagam government which assumed power in 2011 expressed its intent not to revive the Legislative Council.