WALDO
| Acronym | Definition |
|---|---|
| WALDO | Westchester Academic Library Directors Organization (est. 1982) |
| WALDO | Work and Live District Overlay (zoning strategy; New Jersey) |
| WALDO | Wisconsin Asbestos and Lead Database Online (Department of Health Services) |
| WALDO | Wayfinding Agents for Locating Distributed Objects |
| WALDO | Wellington Avenue Local Development Organization (Chicago, IL) |