| Election Name: | 1865 New Jersey gubernatorial election |
| Country: | New Jersey |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1862 New Jersey gubernatorial election |
| Previous Year: | 1862 |
| Next Election: | 1868 New Jersey gubernatorial election |
| Next Year: | 1868 |
| Election Date: | November 7, 1865 |
| Nominee1: | Marcus Lawrence Ward |
| Party1: | National Union Party (United States) |
| Popular Vote1: | 67,525 |
| Percentage1: | 51.07% |
| Nominee2: | Theodore Runyon |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 64,706 |
| Percentage2: | 48.93% |
| Map Size: | 280px |
| Governor | |
| Before Election: | Joel Parker |
| Before Party: | Democratic Party (United States) |
| After Election: | Marcus Lawrence Ward |
| After Party: | National Union Party (United States) |
The 1865 New Jersey gubernatorial election was held on November 7, 1865. Republican nominee Marcus Lawrence Ward defeated Democratic nominee Theodore Runyon with 51.07% of the vote.
Republicans would not win another New Jersey election until 1895.