George Martin Zinkhan, III (February 17, 1952 – c. May 9, 2009) was an American academic and poet. Zinkhan was a professor of marketing at the University of Georgia from 1994 until April 26, 2009, when he was dismissed after being named as the prime suspect in a triple murder that had occurred the previous day. Authorities announced on May 9, 2009 that they had found and identified Zinkhan's body and determined that he had committed suicide.
In 1974, Zinkhan received his Bachelor of Arts in English literature from Swarthmore College. This was followed by a Masters in Business Administration with high distinction from the University of Michigan in 1979. Zinkhan also received his doctorate in Business Administration from the University of Michigan in 1981.
Zinkhan was the Conn Professor of Marketing for thirteen years at the University of Houston beginning in 1981. For one year he also was an associate professor for the University of Pittsburgh in 1987. He began as a professor at the University of Georgia's Terry College of Business in 1994, and served as Department head for Terry's Department of Marketing and Distribution from 1994 until 2001. He held an endowed chair as the department's Coca-Cola Company Professor from 1994 to 2009. According to a university spokesman, he had an impeccable track record as a teacher and was a respected professor on campus.