Howard Teasdale was a member of the Wisconsin State Senate.
Teasdale was born on August 9, 1855 in Janesville, Wisconsin. He attended the University of Wisconsin-Madison and the University of Wisconsin Law School. Teasdale died on January 14, 1936 in San Antonio, Texas.
Teasdale was a member of the Senate from 1911 to 1931. Previously, he had been District Attorney of Monroe County, Wisconsin from 1901 to 1905, Clerk of Sparta, Wisconsin from 1891 to 1896 and a justice of the peace from 1891 to 1892. He was a Republican.