| Election Name: | 2020 Indiana Republican presidential primary |
| Next Year: | 2024 |
| Image1: | File:Donald Trump official portrait (cropped).jpg |
| Color1: | 283681 |
| Votes For Election: | 58 pledged delegates to the Republican National Convention |
| Elected Members: | MD |
| Outgoing Members: | DC |
| Country: | Indiana |
| Previous Year: | 2016 |
| Previous Election: | 2016 Indiana Republican presidential primary |
| Type: | presidential |
| Next Election: | 2024 Indiana Republican presidential primary |
| Home State1: | Florida[1] |
| Percentage1: | 91.89% |
| Popular Vote1: | 504,726 |
| Delegate Count1: | 58 |
| Candidate1: | Donald Trump |
| Ongoing: | No |
| Election Date: | June 2, 2020 |
| Color2: | 00A9E0 |
| Home State2: | Massachusetts |
| Popular Vote2: | 44,520 |
| Percentage2: | 8.11% |
| Candidate2: | Bill Weld (withdrawn) |
| Delegate Count2: | 0 |
The 2020 Indiana Republican presidential primary was held on June 2, 2020 along with seven other Republican presidential primaries that day. All 58 of Indiana's delegates to the 2020 Republican National Convention were allocated according to the results.
Donald Trump won the primary and all of the state's delegates.
| Candidate | Popular vote[2] | Pledged delegates[3] | ||
|---|---|---|---|---|
| % | ||||
| Donald Trump | 504,726 | 91.89 | 58 | |
| Bill Weld (withdrawn) | 44,520 | 8.11 | 0 | |
| Total | 549,246 | 100% | 58 | |