Bahnsen (September 17, 1948 – December 11, 1995) was an American Calvinist philosopher, apologist, and debater.
He was a minister in the Orthodox Presbyterian Church and a full-time Scholar in Residence for the Southern California Center for Christian Studies (SCCCS).
He is also considered a contributor to the field of Christian apologetics, as he popularized the presuppositional method of Cornelius Van Til.
He is the father of David L.
Bahnsen, an American portfolio manager, author, and television commentator.