Alejandro Silva may refer to:
- Alejandro Silva (musician), Chilean heavy metal guitarist
- Alejandro Silva (athlete) (born 1958), retired long-distance runner from Chile
- Alejandro Silva (boxer) (born 1957), Puerto Rican boxer
- Alejandro Silva (footballer) (born 1989), Uruguayan football right-back
- Alejandro Bello Silva (1887–1914), Chilean aviator
- Alejandro da Silva (born 1983), Paraguayan football striker