The origin of surname Olague is Castilla region in northern Spain.

The surname Olague has a local origin and volume of a town in Navarre Olague name, the meaning of Olague surname derived from the word "wave" in Basque means "blacksmith".

Some variations of this surname are: Olague, Olalde, Olavarria, Oliva, Olger, Olgi and others.