- ACJS stands for Academy of Criminal Justice Sciences
- ACJS stands for Association for Canadian Jewish Studies (Concordia University; Montreal, Quebec, Canada)
- ACJS stands for Aichi Center for Japanese Studies (Yamasa Institute; Okazaki, Japan)
- ACJS stands for Arizona Classic Jazz Society (est. 1989)
- ACJS stands for Anglo-Chinese Junior School (Singapore)
- ACJS stands for Arrowsmith Community Justice Society (Canada)
ACJS