Gaínza
Gaínza is a family name that may refer to:
- Agustín Gaínza (1922–1995), Spanish-Basque football player
- Alberto Gaínza Paz (1899–1977), Argentine journalist
- Gabino Gaínza (1753–1829), first President of Central America
- Iñigo Gaínza (* 1995), Spanish ice hockey player
