| KTO | Korean Theater of Operations | 韩国战区 |
| KTO | Konto (German: Account) | Konto(德语:Account) |
| KTO | Klant Tevredenheids Onderzoek (Dutch customer satisfaction survey) | Klant Tevredenheids Onderzoek(荷兰客户满意度调查) |
| KTO | Korea Tourism Organization | 韩国旅游组织 |
| KTO | Kuwaiti Theater of Operations | 科威特战区 |
| KTO | K2, Inc. | K2公司。 |
| KTO | Kato, Guyana | 圭亚那加藤 |
| KTO | Kickapoo Tribe of Oklahoma | 俄克拉荷马州Kickapoo部落 |
| KTO | Keep Tube Open (enteral feeding pump feature) | 保持管打开(肠内喂养泵功能) |