Family name Gaztanbide (Gaztanbide 
) , globally, is an extremely rare last name. The family name Gaztanbide is characteristic of Spain, where it is an extremely rare surname, and the United States.
| sonia gaztanbide researcher, ES (b. 1953) |
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| michel gaztanbide french-born screewriter (born 1959), ES (b. 1959) |
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