Terrence Doyle Schrunk (March 10, 1913 – March 4, 1975) was an American politician who served as the mayor for the city of Portland, Oregon, 1957–1973, a length tying with George Luis Baker, who also served 16 years (1917–1933). Schrunk was appointed sheriff of Multnomah County in 1949 by the county commissioners, succeeding M. L. Elliott, who was removed from office in a recall election. Schrunk was subsequently outright elected to the office, In 1968 and 1969, he served as president of the United States Conference of Mayors.