Castelnuovo is an Italian surname which loosely translates as Newcastle in English. Notable people with the surname include:
- Emma Castelnuovo (1913–2014), Italian mathematician and teacher
- Enrico Castelnuovo (1839–1915), Italian writer
- Guido Castelnuovo (1865–1952), Italian mathematician
- Mario Castelnuovo-Tedesco (1895–1968), Italian composer
- Nino Castelnuovo (1936–2021), Italian actor
This page lists people with the surname Castelnuovo.
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.