| Election Name: | 1838 Louisiana gubernatorial election |
| Country: | Louisiana |
| Type: | presidential |
| Ongoing: | No |
| Previous Election: | 1834 Louisiana gubernatorial election |
| Previous Year: | 1834 |
| Next Election: | 1842 Louisiana gubernatorial election |
| Next Year: | 1842 |
| Election Date: | July 4, 1838 |
| Flag Image: | Flag of the United States (1837–1845).svgborder |
| Nominee1: | Andre B. Roman |
| Party1: | Whig Party (United States) |
| Electoral Vote1: | 49 |
| Popular Vote1: | 7,590 |
| Percentage1: | 52.81% |
| Nominee2: | Denis Prieur |
| Party2: | Democratic Party (United States) |
| Electoral Vote2: | 2 |
| Popular Vote2: | 6,782 |
| Percentage2: | 47.19% |
| Governor | |
| Before Election: | Edward D. White |
| Before Party: | Whig Party (United States) |
| After Election: | Andre B. Roman |
| After Party: | Whig Party (United States) |
The 1838 Louisiana gubernatorial election was the eighth gubernatorial election to take place after Louisiana achieved statehood. Under Article III Sec 2 of the 1812 Constitution of the State of Louisiana the Governor was elected in two steps. On the first Monday in July, eligible voters went to the polls and voted. The returns were sent to the President of the Louisiana State Senate. On the second day of the session of the Louisiana State Legislature, the Louisiana House of Representatives and Senate met in joint session and voted between the top two candidates. The candidate who received a majority in General Assembly became governor.
Popular Vote[1]
| Party | Candidate | Votes received | Percentage |
|---|---|---|---|
| Whig | Andre B. Roman | 7,590 | 52.81% |
| Democratic | Denis Prieur | 6,782 | 47.19% |
| Total Vote | 14,372 | ||
General Assembly Vote[1]
| Candidate | Votes received | Percentage |
|---|---|---|
| Andre B. Roman | 49 | 87.50% |
| Denis Prieur | 2 | 3.57% |
| Blank | 5 | 8.93% |
| Total Vote | 56 | |