| US Post Office-Newark | |
| Location: | 300 S. Main St.,[1] Newark, New York |
| Coordinates: | 43.0436°N -77.0953°W |
| Mapframe: | yes |
| Mapframe-Marker: | building |
| Mapframe-Zoom: | 12 |
| Mapframe-Caption: | Interactive map showing the location for U.S. Post Office-Newark |
| Built: | 1911 |
| Architect: | James Knox Taylor |
| Architecture: | Classical Revival |
| Added: | May 11, 1989 |
| Area: | less than one acre |
| Refnum: | 88002366 |
US Post Office-Newark is an historic post office building located at Newark in Wayne County, New York. It was designed and built in 1911–1913 and is one of a number of post offices in New York State designed by the Office of the Supervising Architect of the Treasury Department, James Knox Taylor. The original, main block is a 1-story, five-by-three-bay building clad in stucco and executed in the Classical Revival style. The large rear wing was added to the building in 1938–1939.[2]
It was listed on the National Register of Historic Places in 1989.