South Kanara (South) Lok Sabha constituency was a former Lok Sabha constituency in Madras State.
This seat came into existence in 1951.
With the implementation of States Reorganisation Act, 1956, it ceased to exist.
South Kanara (South) Lok Sabha constituency comprised the following six Legislative Assembly segments:[1] After South Canara District of erstwhile Madras State got merged with Mysore State in 1956, this seat ceased to exist and was replaced by Mangalore Lok Sabha constituency.
The Parts of Kasargod and Hosdurg (Kanhangad) were merged with Kerala and became a part of Kasaragod Lok Sabha constituency.