1904 United States presidential election in Indiana

The 1904 United States presidential election in Indiana took place on November 8, 1904. All contemporary 45 states were part of the 1904 United States presidential election. State voters chose 15 electors to the Electoral College, which selected the president and vice president.

Indiana was won by the Republican nominees, incumbent President Theodore Roosevelt of New York and his running mate Charles W. Fairbanks of Indiana. They defeated the Democratic Party candidate, former Chief Judge of New York Court of Appeals Alton B. Parker and his running mate, former US Senator Henry G. Davis of West Virginia. Roosevelt won the state by a margin of 13.77%.