| ITOA | Independent Taxi Operators Association | 独立出租车运营商协会 |
| ITOA | Illinois Tactical Officers Association | 伊利诺伊州战术军官协会 |
| ITOA | Inbound Tour Operators Association | 入境旅游经营者协会 |
| ITOA | Independent Taxi Owners Association | 独立的士车主协会 |
| ITOA | Irish Tour Operators Association | 爱尔兰旅游经营者协会 |
| ITOA | Information Technology Operations Analysis | 信息技术运营分析 |
| ITOA | Information Technology Overview Analysis | 信息技术概述分析 |