| Acronym | Definition |
|---|
| ZAA➣Zone d'Amélioration des Affaires (French: Business Improvement Area; Canada) |
| ZAA➣Zoning Amendment Application |
| ZAA➣Zone of Available Assistance (ecology) |
| ZAA➣Zoroastrian Association of Alberta (Alberta, Canada) |
| ZAA➣Zoological Association of America (est. 2005; Punta Gorda, FL) |
| ZAA➣Zollern Alb Award (Germany) |
| ZAA➣Zama Alumni Association (Zama American High School; Japan; US DoD) |
| ZAA➣Zeeman Atomic Absorption |
| ZAA➣Zona Antigen activity (enzymes) |
| ZAA➣Zone of Advanced Achievement |
| ZAA➣Zoning Agreement Amendment (city planning; various locations) |