ABASA Association for the Advancement of Black Accountants of Southern Africa (Bruma, Johannesburg, South Africa)
ABASA American Bankers Association Securities Association
ABASA Allliance Burundo-Africaine pour le Salut (Tutsi: Burundi African Alliance for the Salvation)
ABASA Alimentos y Bebidas del Atlántico S.A. (Spanish: Food and Beverages of the Atlantic S.A.)