William A. O'Neil

William A. O'Neil
O'Neil (second from left) in 2015
6th Secretary General of the International Maritime Organization
In office
January 1, 1990  December 31, 2003
Preceded byChandrika Prasad Srivastava
Succeeded byEfthymios Mitropoulos
Personal details
Alma materUniversity of Toronto

William A. O'Neil (born June 6, 1927, died October 29, 2020) was a Canadian civil servant who served as Secretary-General of the International Maritime Organization and also served as Chancellor of the World Maritime University. He was the second-longest serving IMO Secretary-General.