Castex is a Gascon surname meaning "castle". Notable people with the surname include:
- Alphonse Castex (1899–1969), French Olympic athlete
- Françoise Castex, French Socialist MP
- Jean Castex (born 1965), French politician, Prime Minister of France from 2020 to 2022
- Jean-Jacques Castex (1731–1822), French sculptor
- Louis Castex (1868–1954), French sculptor
- Louis Castex (1896–1968), French aviation pioneer
- Michel Castex (born 1943), French journalist
- Pierre Castex (1924–1991), French scriptwriter
- Pierre-Georges Castex (1915–1995), literary critic
- Raoul Castex, French Navy Vice Admiral (1878–1968), theorist of naval warfare
This page lists people with the surname Castex.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.