Nin (surname)
Nin is a surname of Catalan origin. Notable people with the surname include:
- Alberto Nin Frías, Uruguayan writer
- Anaïs Nin, French-born author and diarist
- Andrés Nin, Spanish revolutionary
- Joaquin Nin, Cuban pianist and composer
- Joaquin Nin-Culmell, Cuban-Spanish composer
- Rodolfo Nin Novoa, Uruguayan politician, former Vice President