William Guy Wheeler (November 11, 1861 – July 3, 1936) was an American lawyer and politician.

Wheeler was born on November 11, 1861, in La Prairie, Wisconsin.

He left office in 1887 and went into private practice, but was elected District attorney of Rock County in 1890 and served in that role until 1895.

He was elected to the Wisconsin State Assembly in 1896 to represent the Janesville-based Rock County 1st district, and was re-elected in 1898.

[2][3] In 1901, he was appointed United States Attorney for the Western District of Wisconsin by President Theodore Roosevelt and served through all of Roosevelt's eight years, leaving office in 1909.