This is a list of the National Register of Historic Places listings in Warren County, Pennsylvania.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Warren County, Pennsylvania, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.
There are 11 properties and districts listed on the National Register in the county. Another property was once listed but has been removed.
This National Park Service list is complete through NPS recent listings posted July 14, 2023.
|||Name on the Register||Image||Date listed||Location||City or town||Description|
|1||Cornplanter Grant||May 14, 2018
|Allegheny Reservoir||Elk Township||Indian reservation; mostly submerged by the creation of the reservoir|
|2||A.J. Hazeltine House||November 21, 1976
|710 Pennsylvania Avenue, West||Warren|
|3||Irvine United Presbyterian Church||August 27, 1976
|Off U.S. Route 6||Brokenstraw Township|
|4||Guy C. Irvine House||September 13, 1978
|1.5 miles (2.4 km) south of Russell on U.S. Route 62||Pine Grove Township|
|5||John P. Jefferson House||May 9, 1985
|119 Market Street||Warren|
|6||Struthers Library Building||October 10, 1975
|3rd Avenue and Liberty Street||Warren|
|7||Warren Armory||May 9, 1991
|330 Hickory Street||Warren|
|8||Warren County Courthouse||April 18, 1977
|Market Street and 4th Avenue||Warren|
|9||Warren Historic District||July 22, 1999
|Roughly bounded by Conewango Creek, the Allegheny River, 7th Avenue and Laurel Street||Warren|
|10||Wetmore House||April 28, 1975
|210 4th Avenue||Warren|
|11||Woman's Club of Warren||June 28, 1996
|310 Market Street||Warren|
|||Name on the Register||Image||Date listed||Date removed||Location||City or town||Description|
|1||Pennsylvania Railroad Passenger Station||November 19, 1974|
|May 8, 1986||316 Chestnut Street||Warren|