Xabier, pronounced /ˈʃaβjeɾ/, is of Basque origin and means 'new house'. It is a male given name popular in the Basque Country, particularly in Spain and France. Xabier is also used internationally among Basque communities around the world. The name was popularized by Saint Francis Xavier, a co-founder of the Society of Jesus (Jesuits), who was born Francisco de Jasso y Azpilicueta but took the name Xavier upon joining the Jesuits, inspired by his patron saint, Xavier of Navarre.
The name Xabier experienced notable fluctuations in popularity over time, with a significant increase from 9 births in 2011 to another peak of 9 births in 2016. However, it appears that the popularity has since declined, with only 5 births recorded in 2022. Overall, there have been a total of 56 babies named Xabier born between 1999 and 2022.