Länsi-Herttoniemi (Finnish), Västra Hertonäs (Swedish) is a southeastern neighbourhood of Helsinki, Finland. It is one of the subdivisions of the wider Herttoniemi suburb.

Länsi-Herttoniemi
Västra Hertonäs
Position of Länsi-Herttoniemi within Helsinki
Position of Länsi-Herttoniemi within Helsinki
Country Finland
RegionUusimaa
Sub-regionGreater Helsinki
MunicipalityHelsinki
DistrictSoutheastern
Subdivision regionsis a quarter of the Herttoniemi neighbourhood
Area
273 km2 (105 sq mi)
Population
 (2008)
8 076
Postal codes
00800
Subdivision number431
Neighbouring subdivisionsKulosaari, Viikinranta, Myllypuro, Roihupellon teollisuusalue, Herttoniemen teollisuusalue, Herttoniemenranta

60°13′N 25°02′E / 60.217°N 25.033°E / 60.217; 25.033