Elections in the Republic of India in 1991 included the general election, elections to seven state legislative assemblies and to seats in the Rajya Sabha.
|- align=center !style="background-color:#E9E9E9" class="unsortable"| !style="background-color:#E9E9E9" align=center|Political Party<br /> !style="background-color:#E9E9E9" |No. of candidates<br /> !style="background-color:#E9E9E9" |No. of elected<br /> !style="background-color:#E9E9E9" |Number of Votes<br /> !style="background-color:#E9E9E9" |% of Votes<br /> |- | |align="left"|Indian National Congress||90||51||2,084,856||33.73% |- | |align="left"|Janata Party||88||16||1,361,955||22.03% |- | |align="left"|Haryana Vikas Party||61||12||775,375||12.54% |- | |align="left"|Janata Dal||25||3||277,380||4.49% |- | |align="left"|Bharatiya Janata Party||89||2||582,850||9.43% |- | |align="left"|Bahujan Samaj Party||26||1||143,611||2.32% |- | |align="left"|Independents||1412||5||848,527||13.73% |- | ! Total !! 1885 !! 90 !! 6,181,187 !! |-
|- ! 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. %<sup>â¡</sup> |- ! style="background-color:#009900; color:white"|AIADMK+ alliance ! style="background-color: " | | 225 | +172 | 14,738,042 | colspan=2 style="text-align:center;vertical-align:middle;"| 59.8% |- |AIADMK ! style="background-color: #008000" | | 164 | +137 | 10,940,966 | 44.4% | 61.1% |- |INC ! style="background-color: #00FFFF" | | 60 | +34 | 3,743,859 | 15.2% | 56.2% |- |ICS(SCS)<sup>â </sup> ! style="background-color: #800000" | | 1 | +1 | 53,217 | 0.2% | 56.1% |- ! style="background-color:#FF0000; color:white"|DMK+ alliance ! style="background-color: " | | 7 | -164 | 7,405,935 | colspan=2 style="text-align:center;vertical-align:middle;"| 30.0% |- |DMK ! style="background-color: #FF0000" | | 2 | -148 | 5,535,668 | 22.5% | 29.9% |- |TMK ! style="background-color: #FF00FF" | | 2 | -1 | 371,645 | 1.5% | 31.0% |- |CPI(M) ! style="background-color: #000080" | | 1 | -14 | 777,532 | 3.2% | 31.2% |- |JD ! style="background-color: #FFFF00" | | 1 | +1 | 415,947 | 1.7% | 28.3% |- |CPI ! style="background-color: #0000FF" | | 1 | -2 | 305,143 | 1.2% | 29.9% |- ! style="background-color:gray; color:white"|Others ! style="background-color:gray" | | 2 | -8 | 2,505,431 | colspan=2 style="text-align:center;vertical-align:middle;"| 10.2% |- |PMK ! style="background-color: #800080" | | 1 | +1 | 1,452,982 | 5.9% | 7.0% |- |JP ! style="background-color: " | | 0 | -4 | 51,564 | 0.2% | 0.7% |- |IND ! style="background-color: #666666" | | 1 | -5 | 390,227 | 1.6% | 1.7% |- | style="text-align:center;" |Total ! style="background-color: " | | 234 | â | 24,649,408 | 100% | style="text-align:center;" | â |-
â : ICS(SCS) contested in 13 different constituencies, but only the one contested by Sanjay Ramaswamy was endorsed by AIADMK.<br />â¡: Vote % reflects the percentage of votes the party received compared to the entire electorate that voted in this election. Adjusted (Adj.) Vote %, reflects the % of votes the party received per constituency that they contested. <br />Sources: Election Commission of India