See main article: 1920 United States presidential election.
| Election Name: | 1920 United States presidential election in South Carolina |
| Country: | South Carolina |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1916 United States presidential election in South Carolina |
| Previous Year: | 1916 |
| Next Election: | 1924 United States presidential election in South Carolina |
| Next Year: | 1924 |
| Election Date: | November 2, 1920 |
| Image1: | James M. Cox 1920.jpg |
| Nominee1: | James M. Cox |
| Party1: | Democratic Party (United States) |
| Home State1: | Ohio |
| Running Mate1: | Franklin D. Roosevelt |
| Electoral Vote1: | 9 |
| Popular Vote1: | 64,170 |
| Percentage1: | 96.05% |
| Nominee2: | Warren G. Harding |
| Party2: | Republican Party (United States) |
| Home State2: | Ohio |
| Running Mate2: | Calvin Coolidge |
| Electoral Vote2: | 0 |
| Popular Vote2: | 2,610 |
| Percentage2: | 3.91% |
| Map Size: | 325px |
| President | |
| Before Election: | Woodrow Wilson |
| Before Party: | Democratic Party (United States) |
| After Election: | Warren G. Harding |
| After Party: | Republican Party (United States) |
| Flag Year: | 1909 |
The 1920 United States presidential election in South Carolina took place on November 2, 1920, as part of the 1920 United States presidential election which was held throughout all contemporary 48 states. Voters chose 9 representatives, or electors to the Electoral College, who voted for president and vice president.
South Carolina voted for the Democratic nominee, Governor James M. Cox of Ohio, over Republican nominee, Senator Warren G. Harding of Ohio. Cox ran with Assistant Secretary of the Navy Franklin D. Roosevelt of New York, while Harding ran with Governor Calvin Coolidge of Massachusetts.
Cox won South Carolina by a landslide margin of 96.05%.
In the midst of a massive nationwide Republican landslide, South Carolina was a staggering 118.3% more Democratic than the national average.