| Election Name: | 2024 Mississippi Republican presidential primary |
| Country: | Mississippi |
| Type: | primary |
| Ongoing: | Yes |
| Previous Election: | 2020 Mississippi Republican presidential primary |
| Previous Year: | 2020 |
| Next Election: | 2028 Mississippi Republican presidential primary |
| Next Year: | 2028 |
| Election Date: | March 12, 2024 |
| Outgoing Members: | HI |
| Elected Members: | WA |
| Votes For Election: | 40 Republican National Convention delegates |
| Map Size: | 250px |
| Image1: | Donald Trump 2023 (cropped).jpg |
| Candidate1: | Donald Trump |
| Color1: | 283681 |
| Home State1: | Florida |
| Popular Vote1: | 229,198 |
| Percentage1: | 92.50% |
| Delegate Count1: | 40 |
| Candidate2: | Nikki Haley (withdrawn) |
| Color2: | fe6100 |
| Home State2: | South Carolina |
| Popular Vote2: | 13,437 |
| Percentage2: | 5.42% |
| Delegate Count2: | 0 |
The 2024 Mississippi Republican presidential primary was held on March 12, 2024, as part of the Republican Party primaries for the 2024 presidential election. 40 delegates to the 2024 Republican National Convention will be allocated on a winner-take-most basis.[1] The contest was held alongside primaries in Georgia, Hawaii, and Washington.
Four candidates made the primary ballot according to the secretary of state:[2]
See main article: Endorsements in the 2024 Republican Party presidential primaries.
| Poll source | Date(s) administered | Sample size | Margin of error | Chris Christie | Ron DeSantis | Nikki Haley | Asa Hutchinson | Mike Pence | Vivek Ramaswamy | Tim Scott | Donald Trump | Other | Undecided | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mississippi Today/Siena College[3] | Aug 20–28, 2023 | 650 (LV) | ± 4.0% | 6% | 22% | 3% | 2% | 2% | 2% | 2% | 61% | 2% | – | ||
| Mississippi Today/Siena College[4] | Jan 8–12, 2023 | 487 (RV) | ± 5.9% | – | 39% | – | – | – | – | – | 46% | 3% | 11% | ||
| Echelon Insights[5] | Aug 31 – Sep 7, 2022 | 211 (LV) | ± 7.8% | – | 31% | – | – | – | – | – | 58% | 11% | – |