Westlands Constituency is an electoral constituency in Kenya. It is one of the seventeen constituencies in Nairobi County. The constituency is situated within Westlands Sub-county, formerly Westlands District. The entire constituency is located within Nairobi City County. The constituency has an area of 72.4 km2 (28.0 sq mi). It was known as Nairobi Northwest Constituency at the 1963 elections, then as Parklands Constituency and since 1988 elections it has been known as Westlands Constituency.