| Acronym | Definition |
|---|
| OACE➣Open Architecture Computing Environment (US Navy) |
| OACE➣Ocean Abyssal Carbon Experiment (National Maritime Research Institute; Japan) |
| OACE➣Ohio Association of Consulting Engineers (est. 1977) |
| OACE➣Office of Agricultural Communications and Education (University of Illinois at Urbana-Champaign) |