| WTO | World Trade Organization | 世界贸易组织 |
| WTO | World Tourism Organization | 世界旅游组织 |
| WTO | World Toilet Organisation | 世界厕所组织 |
| WTO | World Telecommunications Organization | 世界电信组织 |
| WTO | Warsaw Treaty Organization | 华沙条约组织 |
| WTO | Winning the Oil Endgame | 赢得石油的最终较量 |
| WTO | Write To Operator | 写入操作程序 |
| WTO | World Terror Order | 世界恐怖秩序 |
| WTO | Working Together Organization | 合作组织 |
| WTO | World Trade Organization (now the United Nations World Trade Organization, UNWTO) | 世界贸易组织（现联合国世界贸易组织，UNWTO） |
| WTO | Winning the Oil Endgame (ebook by Rocky Mountain Institute) | 赢得石油终局（Rocky Mountain Institute的电子书） |
| WTO | Way Too Old | 太老了 |
| WTO | Windows Technical Operations | Windows技术操作 |
| WTO | Wraith: the Oblivion (game) | 幽灵：遗忘（游戏） |
| WTO | Weapons Training Officer | 武器训练官 |
| WTO | Wotho Island, Marshall Islands | 马绍尔群岛沃托岛 |