- ACIL stands for American Council of Independent Laboratories
- ACIL stands for Ateneo Catechetical Instruction League (Xavier University, Ohio)
- ACIL stands for Atlas Copco India Ltd. (Atlas Copco Group)
- ACIL stands for Associate of the Chartered Institute of Linguists (United Kingdom)
- ACIL stands for Al-Murtaza Cotton Industries (Pvt.) Limited (Pakistan)
- ACIL stands for Australian Consultants International Limited
ACIL