Bidar South is an assembly constituency in the Bidar district of Karnataka. It is one of the 224 constituencies in the state and is reserved for candidates belonging to the Scheduled Caste category. The constituency comprises of Bidar Taluk and is a part of the Bidar Lok Sabha constituency. The constituency is known for its historical significance and is home to several ancient monuments and temples.
JD(S) won 2 times and KMP won 1 times since 2008 elections.