Tamil Nadu Assembly Election 2021 was held for 234 seats in the state. In this election, the Dravida Munnetra Kazhagam (DMK) won 133 seats and formed the government with its alliance partners. The All India Anna Dravida Munnetra Kazhagam (AIADMK) won 66 seats and became the main opposition party.
Tamil Nadu Election Results 2021 Winners List Party Wise
| S. No | Constituency Name | Winner Name | Party Name |
| 1 | Gummidipoondi | GOVINDARAJAN T.J | DMK |
| 2 | Ponneri | DURAI. CHANDRASEKAR | INC |
| 3 | Tiruttani | S.Chandran | DMK |
| 4 | Thiruvallur | RAAJENDRAN, V.G. | DMK |
| 5 | Poonamallee | Krishnaswamy A | DMK |
| 6 | Avadi | Nasar S M | DMK |
| 7 | Maduravoyal | GANAPATHY.K | DMK |
| 8 | Ambattur | JOSEPH SAMUEL | DMK |
| 9 | Madavaram | SUDHARSANAM. S | DMK |
| 10 | Thiruvottiyur | K.P.SHANKAR | DMK |
| 11 | Dr.Radhakrishnan Nagar | EBENEZER. J.J. (@) JOHN EBENEZER.J | DMK |
| 12 | Perambur | SHEKAR. R.D | DMK |
| 13 | Kolathur | M.K. STALIN | DMK |
| 14 | Villivakkam | A . Vetriazhagan | DMK |
| 15 | Thiru-Vi-Ka-Nagar | SIVAKUMAR.P ALIAS THAYAGAMKAVI | DMK |
| 16 | Egmore | I.PARANTHAMEN | DMK |
| 17 | Royapuram | MURTHY.R.IDREAM | DMK |
| 18 | Harbour | SEKARBABU. P.K | DMK |
| 19 | Chepauk-Thiruvallikeni | UDHAYANIDHI STALIN | DMK |
| 20 | Thousand Lights | EZHILAN N | DMK |
| 21 | Anna Nagar | M.K. Mohan | DMK |
| 22 | Virugampakkam | AMV.PRABHAKARA RAJA | DMK |
| 23 | Saidapet | SUBRAMANIAN. MA | DMK |
| 24 | Thiyagarayanagar | KARUNANITHI J | DMK |
| 25 | Mylapore | VELU.DHA | DMK |
| 26 | Velachery | JMH.AASSAN MAULAANA | INC |
| 27 | Shozhinganallur | S.ARAVINDRAMESH | DMK |
| 28 | Alandur | T.M.Anbarasan | DMK |
| 29 | Sriperumbudur | SELVAPERUNTHAGAI | INC |
| 30 | Pallavaram | KARUNANITHI | DMK |
| 31 | Tambaram | Raja.S.R | DMK |
| 32 | Chengalpattu | VARALAKSHMI.M | DMK |
| 33 | Thiruporur | S.S.Balaji | VCK |
| 34 | Cheyyur | Babu M | VCK |
| 35 | Madurantakam | Maragatham. K | ADMK |
| 36 | Uthiramerur | SUNDAR K | DMK |
| 37 | Kancheepuram | C.V.M.P. Ezhailzrasan | DMK |
| 38 | Arakkonam | S.RAVI | ADMK |
| 39 | Sholingur | A.M.MUNIRATHINAM | INC |
| 40 | Katpadi | DURAIMURUGAN | DMK |
| 41 | Ranipet | R.GANDHI | DMK |
| 42 | Arcot | J.L.Eswarappan | DMK |
| 43 | Vellore | Karthikeyan .P | DMK |
| 44 | Anaikattu | A.P.Nandakumar | DMK |
| 45 | Kilvaithinankuppam | M.JAGAN MOORTHY | ADMK |
| 46 | Gudiyattam | Amulu.V | DMK |
| 47 | Vaniyambadi | G.SENDHIL KUMAR | ADMK |
| 48 | Ambur | VILWANATHAN.A.C | DMK |
| 49 | Jolarpet | DEVARAJI.K. | DMK |
| 50 | Tirupattur | A. NALLATHAMBI | DMK |
| 51 | Uthangarai | T.M.TAMILSELVAM | ADMK |
| 52 | Bargur | MATHIAZHAGAN D | DMK |
| 53 | Krishnagiri | Ashokkumar.K | ADMK |
| 54 | Veppanahalli | K.P.Munusamy | ADMK |
| 55 | Hosur | PRAKAASH Y | DMK |
| 56 | Thalli | RAMACHANDRAN.T | CPI |
| 57 | Palacode | ANBALAGAN.K.P. | ADMK |
| 58 | Pennagaram | MANI. G.K | PMK |
| 59 | Dharmapuri | VENKATESHWARAN.S.P. | PMK |
| 60 | Pappireddippatti | GOVINDASAMY.A | ADMK |
| 61 | Harur | SAMPATHKUMAR.V | ADMK |
| 62 | Chengam | GIRI.M.P | DMK |
| 63 | Tiruvannamalai | E V VELU | DMK |
| 64 | Kilpennathur | K.Pitchandi | DMK |
| 65 | Kalasapakkam | Saravanan.P.S.T | DMK |
| 66 | Polur | Agri KRISHNAMURTHY. S S | ADMK |
| 67 | Arani | SEVOOR RAMACHANDRAN. S | ADMK |
| 68 | Cheyyar | JOTHI. O | DMK |
| 69 | Vandavasi | Ambethkumar S | DMK |
| 70 | Gingee | MASTHAN K S | DMK |
| 71 | Mailam | SIVAKUMAR C | PMK |
| 72 | Tindivanam | ARJUNAN P | ADMK |
| 73 | Vanur | CHAKRAPANI M | ADMK |
| 74 | Villupuram | LAKSHMANAN R | DMK |
| 75 | Vikravandi | PUGAZHENTHI N | DMK |
| 76 | Tirukkoyilur | K.PONMUDY | DMK |
| 77 | Ulundurpettai | MANIKANNAN. A.J | DMK |
| 78 | Rishivandiyam | KARTHIKEYAN K | DMK |
| 79 | Sankarapuram | UDHAYASURIYAN T | DMK |
| 80 | Kallakurichi | Senthilkumar.M | ADMK |
| 81 | Gangavalli | NALLATHAMBI,A. | ADMK |
| 82 | Attur | JAYASANKARAN, A.P. | ADMK |
| 83 | Yercaud | G. Chitra | ADMK |
| 84 | Omalur | R.MANI | ADMK |
| 85 | Mettur | SADHASIVAM.S | PMK |
| 86 | Edappadi | EDAPPADI PALANISWAMI. K | ADMK |
| 87 | Sankari | SUNDARARAJAN, S. | ADMK |
| 88 | Salem (West) | ARUL. R | PMK |
| 89 | Salem (North) | R. RAJENDRAN | DMK |
| 90 | Salem (South) | E.BALASUBRAMANIAN | ADMK |
| 91 | Veerapandi | RAJAMUTHU, M. | ADMK |
| 92 | Rasipuram | MATHIVENTHAN M | DMK |
| 93 | Senthamangalam | PONNUSAMY K | DMK |
| 94 | Namakkal | RAMALINGAM P | DMK |
| 95 | Paramathi-Velur | SEKAR S | ADMK |
| 96 | Tiruchengodu | ESWARAN E R | DMK |
| 97 | Kumarapalayam | THANGAMANI.P | ADMK |
| 98 | Erode (East) | THIRUMAHAN EVERAA,E. | INC |
| 99 | Erode (West) | Muthusamy S | DMK |
| 100 | Modakkurichi | SARASWATHI.C | BJP |
| 101 | Dharapuram (SC) | KAYALVIZHI N | DMK |
| 102 | Kangayam | SAMINATHAN.M.P | DMK |
| 103 | Perundurai | JAYAKUMAR, S. | ADMK |
| 104 | Bhavani | KARUPPANAN.K.C | ADMK |
| 105 | Anthiyur | VENKATACHALAM.A.G | DMK |
| 106 | Gobichettipalayam | SENGOTTAIYAN K.A | ADMK |
| 107 | Bhavanisagar | A.Bannari | ADMK |
| 108 | Udhagamandalam | GANESH, R. | INC |
| 109 | Gudalur | PON.JAYASEELAN | ADMK |
| 110 | Coonoor | Ramachandran, K. | DMK |
| 111 | Mettuppalayam | SELVARAJ A K | ADMK |
| 112 | Avanashi (SC) | DHANAPAL, P | ADMK |
| 113 | Tiruppur (North) | VIJEYAKUMAR.K.N | ADMK |
| 114 | Tiruppur (South) | SELVARAJ. K. | DMK |
| 115 | Palladam | ANANDAN M S M | ADMK |
| 116 | Sulur | KANDASAMY V.P. | ADMK |
| 117 | Kavundampalayam | G.Arunkumar | ADMK |
| 118 | Coimbatore (North) | AMMAN K.ARJUNAN | ADMK |
| 119 | Thondamuthur | S.P. VELUMANI | ADMK |
| 120 | Coimbatore (South) | VANATHI SRINIVASAN | BJP |
| 121 | Singanallur | Jayaram, K.R | ADMK |
| 122 | Kinathukadavu | Damodaran.S | ADMK |
| 123 | Pollachi | Pollachi V. Jayaraman | ADMK |
| 124 | Valparai | AMULKANDASAMI T K | ADMK |
| 125 | Udumalaipettai | Radhakrishnan,K. | ADMK |
| 126 | Madathukulam | C MAHENDRAN | ADMK |
| 127 | Palani | SENTHIL KUMAR I.P | DMK |
| 128 | Oddanchatram | SAKKARAPANI R | DMK |
| 129 | Athoor | PERIYASAMY I | DMK |
| 130 | Nilakkottai | S.Thenmozhi | ADMK |
| 131 | Natham | NATHAM.R.VISWANATHAN | ADMK |
| 132 | Dindigul | SREENIVASAN.C | ADMK |
| 133 | Vedasandur | GANDHIRAJAN S | DMK |
| 134 | Aravakurichi | ELANGO. R | DMK |
| 135 | Karur | SENTHILBALAJI V | DMK |
| 136 | Krishnarayapuram | SIVAGAMA SUNDARI.K | DMK |
| 137 | Kulithalai | R.Manickam | DMK |
| 138 | Manapparai | ABDUL SAMAD P | DMK |
| 139 | Srirangam | Palaniyandi.M | DMK |
| 140 | Tiruchirappalli (West) | Nehru, K.N. | DMK |
| 141 | Tiruchirappalli (East) | INIGO IRUDAYARAJ,S. | DMK |
| 142 | Thiruverumbur | ANBIL MAHESH POYYAMOZHI | DMK |
| 143 | Lalgudi | A.SOUNDARAPANDIAN | DMK |
| 144 | Manachanallur | S. KATHIRAVAN | DMK |
| 145 | Musiri | N. Thiyagarajan | DMK |
| 146 | Thuraiyur | S.STALINKUMAR | DMK |
| 147 | Perambalur | PRABHAHARAN, M. | DMK |
| 148 | Kunnam | SIVASANKAR, S.S. | DMK |
| 149 | Ariyalur | CHINNAPPA K | DMK |
| 150 | Jayankondam | KANNAN KA SO KA | DMK |
| 151 | Tittagudi (SC) | GANESAN, C.V. | DMK |
| 152 | Vridhachalam | Radhakrishnan | INC |
| 153 | Neyveli | SABA.RAJENDRAN | DMK |
| 154 | Panruti | VELMURUGAN.T | DMK |
| 155 | Cuddalore | G.IYAPPAN | DMK |
| 156 | Kurinjipadi | M.R.K.PANNEERSELVAM | DMK |
| 157 | Bhuvanagiri | Arunmozhithevan. A | ADMK |
| 158 | Chidambaram | K.A. PANDIAN | ADMK |
| 159 | Kattumannarkoil(SC) | SINTHANAI SELVAN | VCK |
| 160 | Sirkazhi | PANNEERSELVAM.M | DMK |
| 161 | Mayiladuthurai | Rajakumar.S | INC |
| 162 | Poompuhar | Nivedha M. Murugan | DMK |
| 163 | Nagapattinam | J. Mohamed Shanavas | VCK |
| 164 | Kilvelur | NAGAIMAALI V P | CPI(M) |
| 165 | Vedaranyam | O.S.MANIAN | ADMK |
| 166 | Thiruthuraipoondi | MARIMUTHU K | CPI |
| 167 | Mannargudi | RAJAA T R B | DMK |
| 168 | Thiruvarur | KALAIVANAN POONDI K. | DMK |
| 169 | Nannilam | KAMARAJ R | ADMK |
| 170 | Thiruvidaimarudur | CHEZHIAAN, GOVI. | DMK |
| 171 | Kumbakonam | ANBALAGAN, G. | DMK |
| 172 | Papanasam | Dr.JAWAHIRULLAH, M.H. | DMK |
| 173 | Thiruvaiyaru | DURAI.CHANDRASEKARAN | DMK |
| 174 | Thanjavur | NEELAMEGAM, T.K.G. | DMK |
| 175 | Orathanadu | VAITHILINGAM, R. | ADMK |
| 176 | Pattukkottai | ANNADURAI, K. | DMK |
| 177 | Peravurani | ASHOKKUMAR, N. | DMK |
| 178 | Gandharvakottai | M.Chinnadurai | CPI(M) |
| 179 | Viralimalai | VIJAYA BASKER C | ADMK |
| 180 | Pudukkottai | V . MUTHURAJA | DMK |
| 181 | Thirumayam | S.REGUPATHY | DMK |
| 182 | Alangudi | SIVA.V.MEYYANATHAN | DMK |
| 183 | Aranthangi | RAMACHANDRAN T | INC |
| 184 | Karaikudi | S.Mangudi | INC |
| 185 | Tiruppattur | KR.PERIYAKARUPPAN | DMK |
| 186 | Sivaganga | PR. Senthilnathan | ADMK |
| 187 | Manamadurai | Tamilarasi A. | DMK |
| 188 | Melur | PERIYAPULLAN @ SELVAM P. | ADMK |
| 189 | Madurai East | MOORTHY P | DMK |
| 190 | Sholavandan | VENKATESAN A | DMK |
| 191 | Madurai North | THALAPATHI G | DMK |
| 192 | Madurai South | BOOMINATHAN.M | DMK |
| 193 | Madurai Central | PALANIVEL THIAGA RAJAN | DMK |
| 194 | Madurai West | RAJU. K | ADMK |
| 195 | Thiruparankundram | RAJANCHELLAPPA, V.V. | ADMK |
| 196 | Thirumangalam | UDHAYAKUMAR R B | ADMK |
| 197 | Usilampatti | AYYAPPAN P | ADMK |
| 198 | Andipatti | A.MAHARAJAN | DMK |
| 199 | Periyakulam | K.S.SARAVANAKUMAAR | DMK |
| 200 | Bodinayakanur | O.PANNEERSELVAM | ADMK |
| 201 | Cumbum | N.Eramakrishnan | DMK |
| 202 | Rajapalayam | THANGAPANDIAN S. | DMK |
| 203 | Srivilliputhur | MANRAJ, E.M. | ADMK |
| 204 | Sattur | RAGHURAMAN, A.R.R. | DMK |
| 205 | Sivakasi | Ashokan.G | INC |
| 206 | Virudhunagar | SEENIVASAN A.R.R | DMK |
| 207 | Aruppukkottai | K.K.S.S.R.RAMACHANDRAN | DMK |
| 208 | Tiruchuli | THANGAM THENARASU | DMK |
| 209 | Paramakudi | MURUGESAN S | DMK |
| 210 | Tiruvadanai | RM.KARUMANIKAM | INC |
| 211 | Ramanathapuram | KATHARBATCHA MUTHURAMALINGAM | DMK |
| 212 | Mudhukulathur | R.S.RAJAKANNAPPAN | DMK |
| 213 | Vilathikulam | MARKANDAYAN V | DMK |
| 214 | Thoothukkudi | P.Geetha Jeevan | DMK |
| 215 | Tiruchendur | Anitha R. Radhakrishnan | DMK |
| 216 | Srivaikuntam | Oorvasi Amirtharaj .S | INC |
| 217 | Ottapidaram | SHUNMUGAIAH M C | DMK |
| 218 | Kovilpatti | KADAMBUR RAJU | ADMK |
| 219 | Sankarankovil | RAJA E | DMK |
| 220 | Vasudevanallur | SADHAN THIRUMALAIKUMAR, DOCTOR.T | DMK |
| 221 | Kadayanallur | C.KRISHNAMURALI | ADMK |
| 222 | Tenkasi | PALANI NADAR.S | INC |
| 223 | Alangulam | PAUL MANOJ PANDIAN | ADMK |
| 224 | Tirunelveli | Nainar Nagenthran | BJP |
| 225 | Ambasamudram | ESAKKI SUBAYA | ADMK |
| 226 | Palayamkottai | ABDUL WAHAB .M | DMK |
| 227 | Nanguneri | RUBY R MANOHARAN | INC |
| 228 | Radhapuram | M.Appavu | DMK |
| 229 | Kanniyakumari | THALAVAI SUNDARAM N. | ADMK |
| 230 | Nagercoil | Gandhi M.R. | BJP |
| 231 | Colachel | Prince J.G. | INC |
| 232 | Padmanabhapuram | Mano Thangaraj, T. | DMK |
| 233 | Vilavancode | VIJAYADHARANI S | INC |
| 234 | Killiyoor | RAJESH KUMAR S | INC |