Here is a list of hat tricks scored by, and against the Pittsburgh Penguins in post-season play:

PITTSBURGH HAT TRICKS:
PLAYER DATE OPPONENT GOALTENDER (S)
1Ken Schinkel 4/11/1970at Oakland SealsGary Smith
2Mario Lemieux4/25/1989vs. Philadelphia FlyersNatural hat trick; Ron Hextall (five goals)
3Mario Lemieux (2)4/23/1992vs. Washington CapitalsDon Beaupre
4Ron Francis 5/9/1992vs. New York Rangers Mike Richter /John Vanbiesbrouck (2)
5Kevin Stevens 5/21/1992at Boston BruinsNatural hat trick; Andy Moog (four goals)
6Mario Lemieux (3)5/11/1996vs. New York Rangers Mike Richter
7Jaromir Jagr 5/11/1996vs. New York Rangers Mike Richter
8Martin Straka 4/25/1999at New Jersey DevilsMartin Brodeur
9Sidney Crosby 5/4/2009at Washington CapitalsSemyon Varlamov (2 HTS in one game)
10Evgeni Malkin 5/21/2009vs. Carolina HurricanesCam Ward
11Jordan Staal4/18/2012at Philadelphia FlyersIlya Bryzgalov (1), Sergei Bobrovsky (2)
12Sidney Crosby (2) 5/17/2013vs. Ottawa Senators Craig Anderson
13James Neal5/24/2013vs. Ottawa Senators Craig Anderson
14Evgeni Malkin (2)4/28/2014at Columbus Blue JacketsSergei Bobrovsky
15Patric Hornqvist4/13/2016vs. New York Rangers Lundqvist, Raanta, Empty Net
16Jake Guentzel4/16/2017at Columbus Blue JacketsSergei Bobrovsky
17Sidney Crosby (3)4/11/2018vs. Philadelphia FlyersNatural hat trick; Elliot, Mrazek (2)
18Jake Guentzel (2)4/22/2018at Philadelphia FlyersNatural hat trick, four goals, Neuvirth (4)

OPPONENTS HAT TRICKS:

PLAYER DATE OPPONENT GOALTENDER(S)
1Dino Ciccarelli 4/25/1992vs. Washington CapitalsTom Barrasso/Ken Wregget (2)
2Dirk Graham 5/30/1992at Chicago BlackhawksTom Barrasso
3Andy Delmore 5/7/2000at Philadelphia FlyersRon Tugnutt (2)/ Peter Skudra
4Alex Ovechkin 5/4/2009at Washington CapitalsMarc-Andre Fleury (2 HTS in one game)
5Sean Couturier4/13/2012vs. Philadelphia FlyersMarc-Andre Fleury (2 HTS in one game)
6Claude Giroux4/13/2012vs. Philadelphia FlyersMarc-Andre Fleury (2) ENG (2 HTS in one game)
7T.J. Oshie4/28/2016at Washington CapitalsMatt Murray
8Sean Couturier4/22/2018at Philadelphia FlyersMatt Murray