| Election Name: | 2024 Maryland Republican presidential primary |
| Country: | Maryland |
| Type: | primary |
| Ongoing: | Yes |
| Previous Election: | 2020 Maryland Republican presidential primary |
| Previous Year: | 2020 |
| Next Election: | 2028 Maryland Republican presidential primary |
| Next Year: | 2028 |
| Election Date: | May 14, 2024 |
| Outgoing Members: | IN |
| Elected Members: | NE |
| Votes For Election: | 37 Republican National Convention delegates |
| Map Size: | 300px |
| Image1: | Donald Trump 2023 (cropped).jpg |
| Candidate1: | Donald Trump |
| Color1: | 283681 |
| Home State1: | Florida |
| Popular Vote1: | 220,493 |
| Percentage1: | 77.3% |
| Delegate Count1: | 37 |
| Colour2: | fe6100 |
| Candidate2: | Nikki Haley (withdrawn) |
| Home State2: | South Carolina |
| Popular Vote2: | 64,592 |
| Percentage2: | 22.7% |
| Delegate Count2: | 0 |
| Time Zone: | EDT |
The 2024 Maryland Republican presidential primary was held on May 14, 2024,[1] as part of the Republican Party primaries for the 2024 presidential election. 37 delegates to the 2024 Republican National Convention were allocated on a winner-take-all basis.[2] The contest was held alongside primaries in Nebraska and West Virginia.
| Poll source | Date(s) administered | Sample size | Margin of error | Ron DeSantis | Nikki Haley | Larry Hogan | Mike Pence | Tim Scott | Donald Trump | Other | Undecided | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OpinionWorks[3] | April 7–10, 2024 | 451 (LV) | ± 4.6% | – | 18% | – | – | – | 74% | - | 7% | ||
| Gonzales Research[4] | May 30 – Jun 6, 2023 | 221 (LV) | ± 3.5% | 37% | - | - | - | - | 42% | - | 21% | ||
| co/efficient[5] | Feb 19–20, 2023 | 1,007 (LV) | ± 3.58% | 27% | 6% | 18% | 1% | 1% | 33% | 2% | 12% | ||
| – | – | 32% | – | – | 59% | – | 10% | ||||||
| 39% | – | – | – | – | 35% | – | 26% | ||||||
| OpinionWorks[6] | May 27 – Jun 2, 2022 | 428 (LV) | ± 4.7% | 12% | 5% | 25% | 6% | – | 48% | – | – |