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.