Zaldívar (originally Basque Zaldibar) is a Spanish/French family name of Basque origin. Zaldi, meaning "horse" and Ibar, meaning valley. Zaldivar, means "valley of horses".
People with this surname include:
- Adolfo Zaldívar, Chilean politician
- Ambrosio Zaldívar, Cuban Paralympic athlete 400 meters
- Andrés Zaldívar, Chilean politician
- Ángel Zaldívar, Mexican football player
- Juan Carlos Zaldívar, filmmaker, video artist
- Juan de Zaldívar (1514–1570), Spanish official and explorer in New Spain.
- Juan de Zaldivar (Spanish soldier), (c. 1570-1598), Spanish soldier, killed by Indians.
- Rafael Zaldívar, former President of El Salvador
- Roberto Zaldívar, Argentine physician
- Vicente de Zaldivar (c. 1573-before 1650), Spanish soldier.