| Election Name: | 2016 Puerto Rico Republican presidential primary |
| Country: | Puerto Rico |
| Type: | presidential |
| Previous Election: | 2012 Puerto Rico Republican primary |
| Previous Year: | 2012 |
| Next Election: | 2020 Puerto Rico Republican presidential primary |
| Next Year: | 2020 |
| Candidate1: | Marco Rubio |
| Color1: | C60E3B |
| Home State1: | Florida |
| Popular Vote1: | 27,485 |
| Percentage1: | 70.2% |
| Delegate Count1: | 23 |
| Candidate2: | Donald Trump |
| Color2: | 283681 |
| Home State2: | New York |
| Popular Vote2: | 5,052 |
| Percentage2: | 13.3% |
| Delegate Count2: | 0 |
| Candidate3: | Ted Cruz |
| Color3: | d4aa00 |
| Home State3: | Texas |
| Popular Vote3: | 3,340 |
| Percentage3: | 8.8% |
| Delegate Count3: | 0 |
| Map Size: | 200px |
The 2016 Puerto Rico Republican presidential primary took place on March 6 in the U.S. territory of Puerto Rico as one of the Republican Party's primaries ahead of the 2016 presidential election.
While that day no other Republican primaries were held, the Democratic Party held their Maine caucuses. The Democratic Party's own Puerto Rico caucus took place on June 5.
See also: Results of the Republican Party presidential primaries, 2016.