Emil Seidel, American woodcarver and politician, 36th Mayor of Milwaukee (died 1947)

Emil Seidel was an American woodworker, patternmaker and politician. Seidel was the mayor of Milwaukee from 1910 to 1912. The first Socialist mayor of a major city in the United States, Seidel became the vice presidential candidate for the Socialist Party of America in the 1912 presidential election.

This is a list of mayors of Milwaukee, Wisconsin. Following the election of Socialist Emil Seidel as mayor of Milwaukee in 1910, Wisconsin legislators passed a bill in 1912 to declare most local offices across the state as officially non-partisan.