Castañeira is a surname. Notable people with the surname include:

• Hilda Nélida Castañeira (1926–2007), Argentine politician
• Manuela Castañeira (born 1984), Argentine sociologist, activist and politician

• Castañeiras, a village in Balboa, Spain
• Castanheira (disambiguation)

Surname list

This page lists people with the surname Castañeira.
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.