Calcutta North West Lok Sabha constituency

Calcutta North West Lok Sabha constituency was one of the 543 parliamentary constituencies in India. The constituency centred on the north-western part of Calcutta in West Bengal. As a consequence of the order of the Delimitation Commission in respect of the delimitation of constituencies in the West Bengal, this parliamentary constituency ceased to exist from 2009.

Assembly segments
In 2004, Calcutta North West Lok Sabha constituency was composed of the following assembly segments:
 * Cossipur (assembly constituency no. 140)
 * Shyampukur (assembly constituency no. 141)
 * Jorabagan (assembly constituency no. 142)
 * Jorasanko (assembly constituency no. 143)
 * Bara Bazar (assembly constituency no. 144)
 * Bowbazar (assembly constituency no. 145)
 * Taltola (SC) (assembly constituency no. 154)

Members of Lok Sabha (Parliament)
For MPs from northern parts of Kolkata in subsequent years see Kolkata Uttar Lok Sabha constituency

General elections 1951-2004
Most of the contests were multi-cornered. However, only winners and runners-up are mentioned below: