| Acronym | Definition |
|---|
| ATII➣Advanced Training Institute International |
| ATII➣Alliance Tuna International, Inc. (Philippines) |
| ATII➣Alveolar Type II Epithelial Cell |
| ATII➣Acoustic Technology International, Inc. (Oberlin, OH) |
| ATII➣Advanced Techniques for Imagery Interpretation |
| ATII➣Associate of Taxation Institute Incorporated (UK) |