| Santos León Herrera | |
| Office: | Interim President of Costa Rica |
| Term Start: | 20 April 1948 |
| Term End: | 8 May 1948 |
| Predecessor: | Teodoro Picado Michalski |
| Successor: | José Figueres Ferrer |
| Birth Date: | 21 May 1874 |
| Birth Place: | San José, Costa Rica |
| Death Place: | San José, Costa Rica |
| Party: | National Republican Party |
| Office2: | 3rd Designate to the Presidency |
| Term Start2: | 8 May 1944 |
| Term End2: | 20 April 1948 |
Santos León Herrera (May 21, 1874, San José – May 8, 1950, San José) was interim president of Costa Rica for 18 days during the country's 1948 civil war, serving from April 20 - May 8 of that year.[1] [2] He also previously served as vice president of the country, as part of the Teodoro Picado Michalski administration of 1944–1948.[3] Before that, he served as interior minister from 1932–1936.