Lizárraga (Castilianized) or Lizarraga (in Basque) is a place name and surname of Basque origin, meaning "grove of ash trees". It shows a Basque language variant, Leizarraga, as well as others developed a posteriori in other languages, mainly Spanish, e.g. Lejarraga.

People with the surname include:

• "Emilio Lizarraga", Peruvian technologist, open source advocate, and e-commerce and logistics expert

• The Condes de Lizárraga, a Filipino mestizo family, from whom came:
• Marcelo Azcárraga Palmero, Marcelo de Azcárraga Ugarte y Palmero-Versosa de Lizárraga, hidalgo del condado de Lizárraga (1832–1915) the thirteenth Prime Minister of Spain.
• Héctor Lizárraga (1966), Mexican flyweight boxer
• Jaime Lizárraga, American government official and current member of the Securities and Exchange Commission (SEC)
• José Enrique Reina Lizárraga (1969), Mexican politician affiliated to the PAN