Brenneke (December 5, 1941 - July 23, 2015) is a US businessman who testified in 1988 that he had worked in Southeast Asia with the CIA's Air America, among other roles.
Brenneke testified to the Senate's Kerry Committee on allegations of CIA drug trafficking, and his evidence was considered by the House October Surprise Task Force on the 1980 October Surprise affair.
The Task Force's report stated that Brenneke "played a central role in falsely propagating the October Surprise allegations for financial and person reasons".