Gundlupet Assembly constituency is one of the 224 electoral constituencies that form the Karnataka Legislative Assembly in the South Indian state of Karnataka. It is part of Chamarajanagar Lok Sabha constituency.
The constituency was formed in 1957 after Mysore State was reorganized as the result of States Reorganisation Act, 1956. K. S. Nagarathanamma won the first election of 1957, and she went on to be elected six more times. H. K. Shivarudrappa won in 1978 and since 1994 H. S. Mahadeva Prasad has won the seat five times consecutively. Following Prasad's death on 3 January 2017, the by-election was won by M. C. Mohan Kumari.