Joaquín Castro
- Born
- 16 September 1974 (52 years)
- Place of birth
- San Antonio, Texas, USA
- Gender
- Male
Joaquin Castro (born September 16, 1974) is an American lawyer and Democratic politician who has represented Texas's 20th congressional district in the United States House of Representatives since 2013. The district includes just over half of his native San Antonio. He currently serves on the United States House Committee on Foreign Affairs and the United States House Permanent Select Committee on Intelligence.