MTOA
| Acronym | Definition |
|---|---|
| MTOA | Metroplex Tennis Officials Association (Texas) |
| MTOA | Michigan Tactical Officers Association (est. 1988) |
| MTOA | Marine Trader Owners Association (now Marine Trawler Owners Association) |
| MTOA | Marine Trawler Owners Association (formerly Marine Trader Owners Association) |
| MTOA | Michigan Tavern Owners Association |
| MTOA | Midland Tree Officers' Association (UK) |