Tor Erling Staff (born 22 February 1933) is a Norwegian barrister. He is particularly known for taking controversial cases.
Staff was born in Oslo. As a student he chaired the Norwegian Students' Society in Oslo in the spring of 1956, graduating with the cand.jur. degree in 1958. He started working for barrister Olaf Trampe Kindt and for stipenidary magistrate Christian Bernt Apenes. He continued his studies in the United States. From 1967 he worked as a barrister in Oslo and at the Supreme Court.