| Official Name: | West Loch Estate |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Hawaii |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Hawaii |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.72 |
| Area Land Km2: | 1.71 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 0.66 |
| Area Land Sq Mi: | 0.66 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 5523 |
| Population Density Km2: | 3234.80 |
| Population Density Sq Mi: | 8380.88 |
| Timezone: | Hawaii-Aleutian |
| Utc Offset: | -10 |
| Coordinates: | 21.3611°N -158.0244°W |
| Elevation Ft: | 10 |
| Area Code: | 808 |
| Blank Name: | FIPS code |
| Blank Info: | 15-80470 |
| Blank1 Name: | GNIS feature ID |
West Loch Estate is a census-designated place (CDP) in Honolulu County, Hawaiʻi, United States. The population was 5,523 at the 2020 census.
According to the United States Census Bureau, the CDP has a total area of 1.6sqmi, all of it land.[2]
It is on the western shore of the West Loch of Pearl Harbor. Fort Weaver Road (Hawaii Route 76) is the main road, running north–south through the CDP.