AABN or AABn may refer to:
* Anti-Apartheid Beweging Nederland, a
Dutch anti-apartheid movement that was active in the 1960s
*
African Aurora Business Network, an African enterprise development NGO
* Several military units of the United States Marine Corps:
**
2nd Assault Amphibian Battalion
**
3rd Assault Amphibian Battalion
3rd Assault Amphibian Battalion (3rd AABn) is one of two active duty assault amphibian battalions in the United States Marine Corps. The battalion is tasked with transporting US Marine forces and their equipment from assault ships to shore, and e ...
**
4th Assault Amphibian Battalion
*
Assault Armor Battalion, a military unit of the Philippine Marine Corps
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