William Reader (May 16, 1864 – 1935) was a member of the Wisconsin State Assembly.

Pursuits he followed there include farming and the retail clothing business.

[2] His fraternal affiliations included the Catholic Order of Foresters.

Reader was assaulted in 1916; his attacker chewed Reader's thumb badly and gangrene set in, requiring amputation of the thumb.

[4] Additionally, he was Chairman (similar to Mayor) of Peck, Wisconsin, and Register of Deeds of Langlade County.