- DWIS stands for Drinking Water Information System (Canada)
- DWIS stands for DocuWare Internet Server
- DWIS stands for Do What I Say
- DWIS stands for Department for Women in Society (Malta)
- DWIS stands for Division of Workforce Investment Services (est. 2002; Montgomery County, MD)
- DWIS stands for Doctor Who Information Society (TV show)
Abbreviations And Their Meaning