| Official Name: | Wahkiacus, Washington |
| Pushpin Map: | Washington#USA |
| Pushpin Label: | Wahkiacus |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Washington |
| Subdivision Type2: | County |
| Subdivision Name2: | Klickitat |
| Population As Of: | 91 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 535 |
| Coordinates: | 45.8256°N -121.0983°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 98670 |
| Area Code: | 509 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1512767 |
Wahkiacus is an unincorporated community in Klickitat County, Washington, United States. Wahkiacus is located on Washington State Route 142 3miles east-northeast of Klickitat. Wahkiacus has a post office with ZIP code 98670.[1]