- ACWG stands for Air Cargo Working Group
- ACWG stands for American Civil War: Gettysburg (online game)
- ACWG stands for Anti-Counterfeiting Working Group
- ACWG stands for Administrative Cooperation Working Group (US DHHS)
- ACWG stands for Adobe Creek Watershed Group (California)
- ACWG stands for AFSPC CSOC Working Group
ACWG