Abd al-Sattar Tawfiq Qasim al-Khader (Arabic: عبد الستار توفيق قاسم الخضر خليلية; 21 September 1948 – 1 February 2021) was a Palestinian writer, thinker, political analyst, and academic. He was born in the town of Deir al-Ghusun in Tulkarm Governorate and died in Nablus. Qasim was a professor of political science and Palestinian studies at An-Najah National University in Nablus. He is known for his positions rejecting the settlement with Israel and critical of the Palestinian Self-Government Authority.