| Election Name: | 1945 Salvadoran presidential election |
| Country: | El Salvador |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1944 Salvadoran presidential election |
| Previous Year: | 1944 |
| Next Election: | 1950 Salvadoran general election |
| Next Year: | 1950 |
| Election Date: | 14–16 January 1945 |
| Colour1: | DAA520 |
| Nominee1: | Salvador Castaneda Castro |
| Party1: | PUDS |
| Running Mate1: | Manuel Adriano Vilanova |
| Popular Vote1: | 312,754 |
| Percentage1: | 99.70% |
| President | |
| Before Election: | Osmín Aguirre y Salinas |
| Before Party: | Independent (politician) |
| After Election: | Salvador Castaneda Castro |
| After Party: | USDP |
Presidential elections were held in El Salvador between 14 and 16 January 1945. The result was a victory for Salvador Castaneda Castro of the Social Democratic Unification Party.[1] The election was boycotted by five candidates who withdrew after accusing Osmín Aguirre y Salinas of unfair practices to ensure victory for his favoured candidate.[2]