AABN

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
 * 4th Assault Amphibian Battalion
 * Assault Armor Battalion, a military unit of the Philippine Marine Corps