Jon Castañares

Jon Mirena Bitor Castañares Larreategui (1925 – 5 May 2015) was a Spanish politician and economist. He was born in Bilbao. He was known for being a strong supporter of Basque nationalism. He served as mayor of Bilbao from 1979 through 1983.
Castañares died in Bilbao at the age of 90.