- CACN stands for Calcium Channel
- CACN stands for Canadian Anti-Counterfeiting Network (Canada)
- CACN stands for Converged Ad-Hoc and Cellular Network
- CACN stands for Cost Account Charge Number
- CACN stands for Contract Adjustment Change Notice
- CACN stands for Chinese American Culture Night (University of California, Los Angeles)
- CACN stands for Canadian Association of Child Neurology Inc.
CACN