- BACT stands for Best Available Control Technology
- BACT stands for Bacteriological
- BACT stands for Bryn Athyn Community Theater (est. 1981; Bryn Athyn, PA)
- BACT stands for British Association of Conference Towns
- BACT stands for Bekaert Advanced Coating Technologies
- BACT stands for Biological Approaches to Cancer Treatment
Abbreviations And Their Meaning