Taiarapu-Ouest

French commune|nomcommune=Taiarapu-Ouest
map_size=300px
adjustable_

mapcaption=Location of the commune (in red) within the Windward Islands
overseas collectivity=French Polynesia
lat_long=
administrative subdivision=Windward Islands
commune centre=Vairao
insee=98748
cp=98725
mayor=Roger Doom
|mandat=
longitude=-149.28|latitude=-17.78
alt moy=|alt mini=0 m|alt maxi=1,306 m
km²=104.3
sans=7,002
date-sans=Aug. 2007 census
dens=67|date-dens=2007 census|

Taiarapu-Ouest (literally "Taiarapu West") is a commune of French Polynesia, an overseas territory of France in the Pacific Ocean. The commune of Taiarapu-Ouest is located on the island of Tahiti, in the administrative subdivision of the Windward Islands, themselves part of the Society Islands.

The commune extends over half of the peninsula of Tahiti Iti ("small Tahiti", aka Taiarapu). The administrative centre of the commune is the settlement of Vairao.