Kushtagi Lok Sabha constituency was a former Lok Sabha constituency in Hyderabad State, India. This seat came into existence in 1951. With the implementation of States Reorganisation Act, 1956, it ceased to exist.
Kustagi Lok Sabha constituency comprised the following seven Legislative Assembly segments:
After Raichur district of erstwhile Hyderabad State got merged with Mysore State in 1956, this seat ceased to exist and was replaced by Koppal Lok Sabha constituency.