Charles Augustus Eldredge was an American lawyer and Democratic politician. He served six terms in the United States House of Representatives (1863–1875), representing eastern Wisconsin.

Wisconsin's 5th congressional district is a congressional district of the United States House of Representatives in Wisconsin, covering most of Milwaukee's northern and western suburbs. It presently covers all of Washington and Jefferson counties, most of Waukesha County, and portions of Dodge, Milwaukee and Walworth counties. It is currently represented by Republican Scott Fitzgerald.