Andrzej Gąsiorowski (born in 1950) is a research scientist at the Stutthof concentration camp Museum in Sztutowo, Professor in the Institute of Politology, Faculty of Social Sciences of the Gdańsk University, awarded the title of profesor zwyczajny by the President of Poland Bronisław Komorowski.
Gąsiorowski specializes in World War II history of Poland, with focus on the anti-Nazi resistance in Pomerania.
He is the author of books and monographs on this subject including genocidal operations against Poles by Nazi Germany such as the Intelligenzaktion and the massacres in Piaśnica.
He graduated at the Department of History of the Gdańsk University Faculty of Humanism, and received his doctorate in 1979.
He habilitated in 2000 at the Faculty of Historical Sciences of the Nicolaus Copernicus University in Toruń.