Oiarzabal

Oiarzabal is a Basque surname and toponym commonly found in the Basque Country of northern Spain. In onomastic terms, it is considered to be of Basque origin and is typically treated as a toponymic surname, reflecting geographic or landscape-related features from Basque place names.

The name is borne by individuals in the Basque Country and among Basque diaspora communities around the world, including Spain and regions with historical Basque immigration. Variant spellings such as Oyarzabal and Oiartzabal appear in historical records, reflecting regional orthography and transcription differences.

In genealogical and cultural contexts, Oiarzabal is used to trace family origins and toponyms associated with Basque heritage. In modern times, bearers of the surname have been noted in various sectors, including culture, sports, and public life, within Spain and international communities. As with many Basque surnames, its distribution and usage can be linked to historical waves of migration and regional naming practices.