| Acronym | Definition |
|---|
| HSOC➣Homeland Security Operations Center |
| HSOC➣Higher State of Consciousness (Josh Wink song) |
| HSOC➣Humane Society of Ocean City (Ocean City, NJ) |
| HSOC➣Hilux Surf Owners Club (Toyota off-roading; Japan) |
| HSOC➣Home Station Operations Center |
| HSOC➣High Strength Oval Chain (Bobcat) |
| HSOC➣Hours Since Oil Change |
| HSOC➣Hokkaido Subaru Owners Club (Japanese car club) |
| HSOC➣Honda Shadow Owners Club (UK) |