See main article: 1872 United States presidential election.
| Election Name: | 1872 United States presidential election in Delaware |
| Country: | Delaware |
| Flag Year: | 1872 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1868 United States presidential election in Delaware |
| Previous Year: | 1868 |
| Next Election: | 1876 United States presidential election in Delaware |
| Next Year: | 1876 |
| Election Date: | November 5, 1872 |
| Image1: | UlyssesGrant.jpg |
| Nominee1: | Ulysses S. Grant |
| Party1: | Republican Party (United States) |
| Home State1: | Illinois |
| Running Mate1: | Henry Wilson |
| Electoral Vote1: | 3 |
| Popular Vote1: | 11,129 |
| Percentage1: | 51.00% |
| Nominee2: | Horace Greeley |
| Party2: | Liberal Republican Party (United States) |
| Home State2: | New York |
| Running Mate2: | Benjamin G. Brown |
| Electoral Vote2: | 0 |
| Popular Vote2: | 10,205 |
| Percentage2: | 46.76% |
| President | |
| Before Election: | Ulysses S. Grant |
| Before Party: | Republican Party (United States) |
| After Election: | Ulysses S. Grant |
| After Party: | Republican Party (United States) |
| Map Size: | 210px |
The 1872 United States presidential election in Delaware took place on November 5, 1872, as part of the 1872 United States presidential election. Voters chose three representatives, or electors to the Electoral College, who voted for president and vice president.
Delaware voted for the Republican candidate, Ulysses S. Grant, over Liberal Republican candidate Horace Greeley. Grant won Delaware by a narrow margin of 4.24%, making him the first Republican to win the state in a presidential election. It would not be carried by another Republican presidential candidate until 1896.