Agusan

Agusan may refer to the following:

In geography

 * Agusan province, a former province in the Philippines, now divided between:
 * Agusan del Norte
 * Agusan del Sur
 * Legislative district of Agusan in the Philippines for the former province before it was divided into two separate ones
 * Agusan River, a river in Mindanao
 * The Agusan Marsh Wildlife Sanctuary

Other

 * A symbol in the Tironian notes shorthand system ($\langle⁊\rangle$ ) when used as an abbreviation for agus ("and") in Irish and Scottish Gaelic
 * Agusan language, a Manobo language of The Philippines