The 1985 Karnataka Legislative Assembly election was held in the Indian state of Karnataka to elect 224 members of the Karnataka Legislative Assembly. The elections resulted in a spectacular victory for the Janata Party, led by Chief minister Ramakrishna Hegde.
!colspan=10| |- align=center !colspan=2 style="background-color:#E9E9E9" align=center|Party !style="background-color:#E9E9E9" |Seats<br>Contested !style="background-color:#E9E9E9" |Seats<br>Won !style="background-color:#E9E9E9" |Votes !style="background-color:#E9E9E9" |Vote % !style="background-color:#E9E9E9" |Seat<br/>change |- | |align="left"|Janata Party||205||139||6,418,795||43.60%|| 44 |- | |align="left"|Indian National Congress||223||65||6,009,461||40.82%|| 17 |- | |align="left"|Communist Party of India||7||3||133,008||0.90%|| |- | |align="left"|Bharatiya Janata Party||116||2||571,280||3.88%|| 16 |- | |align="left"|Communist Party of India (Marxist)||7||2||127,333||0.86%|| 1 |- | |align="left"|Independents||1200||13||1,393,626||9.47%|| 9 |- | |align="left"|Total||1795||224||14,720,634|||| |-