The governor of Agusan del Sur is the local chief executive of the Philippine province of Agusan del Sur.
The former province of Agusan was part of the Moro Province, before it was split to create the Department of Mindanao and Sulu.
On June 17, 1967, the province of Agusan was divided into two, creating the provinces of Agusan del Norte and Agusan del Sur.
The officials of the province of Agusan continued to serve as the provincial officials of Agusan del Norte.
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