# List of Pennsylvania state historical markers in Jefferson County

This is a list of the Pennsylvania state historical markers in Jefferson County.
This is intended to be a complete list of the official state historical markers placed in Jefferson County, Pennsylvania by the Pennsylvania Historical and Museum Commission (PHMC). The locations of the historical markers, as well as the latitude and longitude coordinates as provided by the PHMC's database, are included below when available. There are 11 historical markers located in Jefferson County.
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* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)

## Historical markers

| Marker title | Date dedicated | Location | Marker type | Topics |
| Charles J. Margiotti (1891–1956) | September 15, 2007 | Calvary Cemetery, 444 S Main St. (PA 436), Punxsutawney 40°56′11″N 78°59′28″W﻿ / ﻿40.93639°N 78.99108°W﻿ / 40.93639; -78.99108﻿ (CHARLES J. MARGIOTTI) | Roadside | Ethnic & Immigration, Government & Politics 20th Century, Professions & Vocations |
| Cooksburg | September 17, 1954 | PA 36 near Clarion River Bridge, Corsica (MISSING) | Roadside | Cities & Towns, Environment |
| Elijah Heath (1796–1875) | August 31, 2005 | 64 South Pickering Street, Brookville 41°09′35″N 79°04′47″W﻿ / ﻿41.15965°N 79.0798°W﻿ / 41.15965; -79.0798﻿ (Elijah Heath) | City | African American, Underground Railroad |
| First Pennsylvania Troopers Killed in the Line of Duty | May 2, 2016 | Main Street (SR 310), just South of Ash Street (T-456), McCalmont Township 41°00′24″N 78°57′27″W﻿ / ﻿41.006768°N 78.957516°W﻿ / 41.006768; -78.957516﻿ (First Pennsylvania Troopers Killed in the Line of Duty) | Roadside | Law Enforcement, Crime |
| Great Shamokin Path | October 16, 1950 | Buffalo-Pittsburgh Highway (US 119), 4 miles (6.4 km) northeast of Punxsutawney 40°57′49″N 78°54′40″W﻿ / ﻿40.96348°N 78.91115°W﻿ / 40.96348; -78.91115﻿ (Great Shamokin Path) | Roadside | French & Indian War, Native American, Paths & Trails, Religion, Transportation |
| Groundhog Day | September 11, 2004 | At Gobbler's Knob, Woodland Avenue, 1.2 miles (1.9 km) from Route 36, Punxsutawney 40°55′53″N 78°57′28″W﻿ / ﻿40.931282°N 78.95768°W﻿ / 40.931282; -78.95768﻿ (Groundhog Day) | Roadside | Ethnic & Immigration, Folklore, Religion |
| Iroquois "Main Road" | October 6, 1950 | PA 949, 3.8 miles (6.1 km) N of Corsica (MISSING) | Roadside | Native American, Paths & Trails, Roads, Transportation |
| Jefferson County | May 25, 1982 | County Courthouse, Main Street (PA 28) near Pickering, Brookville 41°09′38″N 79°04′49″W﻿ / ﻿41.16063°N 79.08019°W﻿ / 41.16063; -79.08019﻿ (Jefferson County) | City | Government & Politics, Government & Politics 19th Century |
| Lewis Earle Sandt (1888–1913) | June 15, 2009 | 42 South Pickering Street, Brookville | City | Exploration, Navigation, Transportation |
| Olean Road | October 16, 1950 | Main Street (US 322), near Olean Road (PA 949), Corsica 41°10′51″N 79°12′13″W﻿ / ﻿41.1809°N 79.2035°W﻿ / 41.1809; -79.2035﻿ (Olean Road) | Roadside | Native American, Roads, Transportation |
| Ross Leffler School of Conservation | August 28, 2014 | Game School Road & Empire Ridge Road, near Brockway 41°16′48″N 78°52′08″W﻿ / ﻿41.280083°N 78.868750°W﻿ / 41.280083; -78.868750﻿ (Ross Leffler School of Conservation) | Roadside | Education, Environment, Government & Politics 20th Century, Professions & Vocations, Sports & Recreation |