1864 United States presidential election in Oregon

The 1864 United States presidential election in Oregon took place on November 8, 1864, as part of the 1864 United States presidential election. Voters chose three representatives, or electors, to the Electoral College, who voted for president and vice president.

Oregon was won by the National Union candidate, incumbent Republican President Abraham Lincoln of Illinois and his running mate former Senator and Military Governor of Tennessee Andrew Johnson. They defeated the Democratic candidate, 4th Commanding General of the United States Army George B. McClellan of New Jersey and his running mate Representative George H. Pendleton. Lincoln won the state by a margin of 7.8%.