William C. Dix is a Republican politician and farmer from Shell Rock, Iowa.

In 1996, Dix made his first bid for the Iowa House of Representatives running unopposed for House District 21 (covered Butler and Grundy Counties from 1993–2002 before redistricting from the 2000 Census) vacated by Robert H. Renken.

Iowa Congressional and Legislative districts were redrawn after the 2000 Census that went into effect for the 2002 election.

From 2002 to 2006, Dix represented House District 17 (covered Butler and Bremer Counties from 2002–2012).

[5] In 2006, Dix ran in the Republican Primary for Iowa's 1st Congressional District seat vacated by Jim Nussle.