| Acronym | Definition |
|---|
| OOTC➣Obligatory on Topic Comment |
| OOTC➣Old Old Timers Club (est. 1947) |
| OOTC➣Obligatory On Topic Comment (originally used on FIDOnet) |
| OOTC➣Out of the Cold (Toronto, Canada volunteer group) |
| OOTC➣Out of the Closet |
| OOTC➣Out of the Country |
| OOTC➣Office of the Chairman |
| OOTC➣Orc of the Covenant (gaming guild) |
| OOTC➣Order of the Claw (World of Warcraft gaming guild) |