Jerzy Treder (14 April 1942 – 2 April 2015) was a Polish philologist and linguist, focusing on Kashubian studies, among other interests.
He was born in Biala Rzeka, Rumia, Poland .
In 1987-1990 he was deputy director of the Institute of Polish Philology, Gdansk University.In 1973 he earned a degree of Doctor in Humanities, with the thesis.
Toponimia bylego powiatu puckiego, ("Toponymy of the Former Puck Powiat") and in 1987 he earned the dr.hab.
in linguistics for Ze studiów nad frazeologia kaszubska (na tle porównawczym).
He received the title of professor in 1994 and the position of professor ordinarius in 2002.