| Official Name: | Knappton, Washington |
| Pushpin Map: | Washington#USA |
| Pushpin Label: | Knappton |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Washington |
| Subdivision Type2: | County |
| Subdivision Name2: | Pacific |
| Established Title: | Established |
| Established Date: | 1871 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Coordinates: | 46.2764°N -123.815°W |
| Postal Code Type: | ZIP code |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
Knappton is an extinct town in Pacific County, in the U.S. state of Washington. The GNIS classifies it as a populated place. It is located not far from the mouth of the Columbia, a few miles east of the Astoria-Megler Bridge.
A post office called Knappton was established in 1871, and remained in operation until 1943.[1] The community was named after J. B. Knapp, the proprietor of a local sawmill.[2]