Elections in the Republic of India in 2001 included elections to five state legislative assemblies and to seats in the Rajya Sabha.
See main article: 2001 Assam Legislative Assembly election.
See main article: 2001 Kerala Legislative Assembly election.
| 1 | Indian National Congress- Indira (Congress-I) | 88 | 63 | 4940868 | 31.4 | |
| 2 | Communist Party of India (Marxist) (CPI(M)) | 74 | 24 | 3752976 | 23.85 | |
| 3 | Indian Union Muslim League (IUML) | 23 | 16 | 1259572 | 8 | |
| 4 | Kerala Congress - Mani (KCM) | 11 | 9 | 556647 | 3.54 | |
| 5 | Communist Party of India (CPI) | 24 | 7 | 1212248 | 7.7 | |
| 6 | Janadhipatya Samrakshana Samithi (JSS) | 5 | 4 | 279831 | 1.78 | |
| 7 | Janata Dal- Secular (JDS) | 10 | 3 | 546917 | 3.48 | |
| 8 | Kerala Congress - Joseph (KCJ) | 10 | 2 | 455748 | 2.9 | |
| 9 | Nationalist Congress Party (NCP) | 9 | 2 | 408456 | 2.6 | |
| 10 | Revolutionary Socialist Party (RSP) | 6 | 2 | 269689 | 1.71 | |
| 11 | Revolutionary Socialist Party - Bolshevik (RSPB) | 4 | 2 | 215562 | 1.37 | |
| 12 | Kerala Congress - Jacob (KCA) | 4 | 2 | 207618 | 1.32 | |
| 13 | Kerala Congress - Balakrishna Pillai (KCB) | 2 | 2 | 113915 | 0.72 | |
| 14 | Communist Marxist Party (CMP) | 3 | 1 | 145441 | 0.92 | |
| 15 | Indian National League (INL) | 3 | 0 | 139775 | 0.89 | |
| 16 | CPI(M) Independents (LDF) | 2 | 0 | 91058 | 0.58 | |
| 17 | Bharatiya Janata Party (BJP) | 123 | 0 | 789762 | 5.02 | |
| 18 | BJP Allies (JD(U): 4, Samata: 2, DMK: 1) | 7 | 0 | 10089 | 0.06 | |
| 19 | Others/ Independents | 266 | 1 | 340692 | 2.16 | |
| Total | 676 | 140 | 15736894 | 100 | ||
See main article: 2001 Pondicherry Legislative Assembly election.
See main article: 2001 Tamil Nadu Legislative Assembly election. |-! style="background-color:#E9E9E9;text-align:left;vertical-align:top;" |Alliance/Party!style="width:4px" |! style="background-color:#E9E9E9;text-align:right;" |Seats won! style="background-color:#E9E9E9;text-align:right;" |Change! style="background-color:#E9E9E9;text-align:right;" |Popular Vote! style="background-color:#E9E9E9;text-align:right;" |Vote %! style="background-color:#E9E9E9;text-align:right;" |Adj. %‡|-! style="background-color:#009900; color:white"|AIADMK+ alliance! style="background-color: " || 196| +138| 14,043,980|style="text-align:center;vertical-align:middle;" colspan=2 | 50.1%|-|AIADMK! style="background-color: #008000" | | 132| +127| 8,815,387| 31.4%| 52.1%|-|TMC(M)! style="background-color: #008080" || 23| -15| 1,885,726| 6.7%| 47.5%|-|PMK! style="background-color: #800080" || 20| +16| 1,557,500| 5.6%| 46.8%|-|INC! style="background-color: #00FFFF" || 7| +7| 696,205| 2.5%| 45.4%|-|CPI(M)! style="background-color: #000080" || 6| +4| 470,736| 1.7%| 48.2%|-|CPI! style="background-color: #0000FF" || 5| -3| 444,710| 1.6%| 48.5%|-|IND! style="background-color: Black" || 2| +2| 103,971| 0.4%| 46.6%|-|AIFB! style="background-color: #800000" || 1| +1| 39,248| 0.1%| 43.3%|-|MUL! style="background-color: " || 0| -1| 30,497| 0.1%| 41.7%|-! style="background-color:#FF0000; color:white"|DMK+ alliance! style="background-color: Red" || 37| -138| 10,841,157|style="text-align:center;vertical-align:middle;" colspan=2 | 38.7%|-|DMK! style="background-color: Red" || 31| -142| 8,669,864| 30.9%| 39.0%|-|BJP! style="background-color: " || 4| +3| 895,352| 3.2%| 38.7%|-|MADMK! style="background-color: #FFFF00" || 2| +1| 129,474| 0.5%| 37.1%|-|PT! style="background-color: " || 0| –| 355,171| 1.3%| 33.8%|-|MTD! style="background-color: " || 0| –| 257,126| 0.9%| 40.9%|-|PNK! style="background-color: " || 0| –| 196,740| 0.7%| 33.6%|-|MGRK! style="background-color: " || 0| –| 136,916| 0.5%| 40.8%|-|TB! style="background-color: " || 0| –| 45,002| 0.2%| 40.0%|-|CNMK! style="background-color: " || 0| –| 40,421| 0.1%| 32.4%|-|IND! style="background-color: " || 0| –| 115,091| 0.4%| 36.7%|-! style="background-color:Black; color:white"|Others! style="background-color: Black" || 1| –| 3,192,598|style="text-align:center;vertical-align:middle;" colspan=2 |11.4%|-|MDMK! style="background-color: " || 0| –| 1,304,469| 4.7%| 5.1%|-|IND! style="background-color: #4d4d4d" || 1| –| 1,509,378| 6.2%| 6.3%|-| style="text-align:center;" |Total! style="background-color: " || 234| –| 28,037,314| 100%| –|-|}Note: Parties that contested under "rising-sun" or "two-leaves" symbol are listed as DMK or AIADMK respectively. Parties that ran their candidates as independents, (e.g. Indian Uzhavar Uzhaippalar Katchi and Thondar Congress in DMK alliance) are listed as IND for their respective alliance.
‡: Vote % reflects the percentage of votes the party received compared to the entire electorate that voted in this election. Adjusted (Adj.) Vote %, reflects the average % of votes the party received per constituency that they contested.
Sources: Election Commission of India[2] and Rediff Newspaper[3]
See main article: 2001 West Bengal Legislative Assembly election. |- align=center!style="background-color:#E9E9E9" class="unsortable"|!style="background-color:#E9E9E9" align=center|Political Party
!style="background-color:#E9E9E9" |No. of candidates
!style="background-color:#E9E9E9" |No. of elected
!style="background-color:#E9E9E9" |Number of Votes
!style="background-color:#E9E9E9" |% of Votes
!style="background-color:#E9E9E9" |Seat change
|-| |align="left"|Communist Party of India (Marxist)||211||143||13,402,603||36.59%|||-| |align="left"|All India Trinamool Congress||226||60||11,229,396||30.66%|||-| |align="left"|Indian National Congress||60||26||2,921,151||7.98%|||-| |align="left"|All India Forward Bloc||34||25||2,067,944||5.65%|||-| |align="left"|Revolutionary Socialist Party||23||17||1,256,951||3.43%|||-| |align="left"|Communist Party of India||13||7||655,237||1.79%|||-| |align="left"|West Bengal Socialist Party||4||4||246,407||0.67%|||-| |align="left"|Gorkha National Liberation Front||5||3||190,057||0.52%|||-| |align="left"|Biplobi Bangla Congress||1||1||62,611||0.09%|||-| |align="left"|Independents||530||9||1,848,830||5.05%|||-||align="left"|Total||1676||294||36,626,099|||||-|}
See main article: 2001 Indian Rajya Sabha elections.