Luton West is a former United Kingdom Parliamentary constituency.

The County Borough of Luton wards of Dallow, Icknield, Leagrave, Lewsey, Limbury, and Sundon Park.

[1] Formed for the February 1974 general election primarily from the Leagrave and Limbury wards of the County Borough, previously part of South Bedfordshire.

Remaining wards were previously part of the abolished constituency of Luton.

Abolished for the 1983 general election when it was largely absorbed into the new constituency of North Luton, with the exception of southernmost-parts, including Dallow ward, which were included in Luton South.