This is a chronological list of shootings committed by firearms in the state of Pennsylvania. Each of the following has a Wikipedia article that contains the incident's details, such as: the shooting, the shooter, the victim, and/or a related subject.

Event Location Date Number killed Description2025 North Codorus Township shootingNorth Codorus TownshipSeptember 17, 20254Five police officers were shot, three fatally, while serving a court order at a farm house.2025 UPMC Memorial Hospital shootingShilohFebruary 22, 20252Husband of a recently deceased patient shot and injured six others before being fatally shot by police. A police officer was killed by friendly fire.Attempted assassination of Donald Trump in PennsylvaniaMeridianJuly 13, 20242Thomas Crooks shot and killed an audience member and wounding 3 others at a re-election rally of presidential candidate Donald Trump. Crooks was killed by Secret Service members.2022 Philadelphia shootingPhiladelphia June 5, 20223Shootout between two gunmen, which killed and injured multiple bystanders. Pittsburgh synagogue shooting Pittsburgh October 27, 2018 11 Antisemitic attack. Perpetrator sentenced to death. Melcoft shooting Melcroft January 28, 2018 5 Shooting targeting ex-partner and her social circle. 2017 Eaton Township Weis Markets shooting Eaton Township June 8, 2017 4 Workplace shooting at supermarket. 2016 Wilkinsburg shooting Wilkinsburg March 9, 2016 6 Two gunmen attacked a outdoors party targeting murder suspect and his social circle. 2014 Montgomery County shootings Three towns in Montgomery County December 15, 2014 7 A single gunman attacked his wife's family in several locations. 2014 Pennsylvania State Police barracks attack Blooming Grove Township September 12, 2014 1 Eric Frein attacked a Pennsylvania State Police barracks. Ross Township Municipal Building shooting Saylorsburg August 5, 2013 3 Attack on town council over land dispute 2009 Collier Township shooting Collier Township August 4, 2009 4 Misogynist attack at women's gym 2009 shooting of Pittsburgh police officers Pittsburgh April 4, 2009 3 Man attacked policemen responding to a domestic violence call. West Nickel Mines School shooting Bart Township October 2, 2006 7 Man attacked an Amish schoolhouse.Lex Street massacrePhiladelphiaDecember 28, 20007Three gunmen shot ten people inside a crackhouse over a car sales dispute April 2000 Greater Pittsburgh shootings Greater Pittsburgh April 28, 2000 5 Racially-motivated spree shooting 2000 Wilkinsburg shooting Wilkinsburg March 1, 2000 3 Racially-motivated spree shooting 1998 Parker Middle School dance shooting Edinboro April 24, 1998 1 Teenaged shooter killed a teacher. Murder of Mario Riccobene Philadelphia January 28, 1993 1 Mob hit of a turncoat. 1985 Springfield Mall shooting Springfield October 30, 1985 3 Woman killed two men and a toddler. Sentenced to life imprisonment. Moser family murders Evansburg March 31, 1985 3 Single gunman kills his ex-wife and 2 daughters. The killer was executed. 1982 Wilkes-Barre shootings Wilkes-Barre and Jenkins Township September 25, 1982 13 Spree shooting targeting former girlfriends and their children Murder of Charles DeVetsco Harrisburg October 13, 1980 1 Victim was kidnapped and killed. The killer was executed. Babes in the Wood murders (Pine Grove Furnace) Unclear 5 Two shot, three suffocated. Kelayres massacre Kelayres November 5, 1934 5 A political parade was attacked by a Republican family. Enoch Brown school massacre Near present-day Greencastle July 26, 1764 10 Native American attack. Both gunfire and tomahawks were used.

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