| ICTA | Institute of Certified Travel Agents | 认证旅行社协会 |
| ICTA | International Computer-Telephony Association | 国际计算机电话协会 |
| ICTA | Institute of Certified Tax Administrators (Texas) | 认证税务管理人员协会（德克萨斯州） |
| ICTA | International Christian Technologists' Association (Colorado Springs, CO) | 国际基督教的技术人员协会(科罗拉多州、CO) |
| ICTA | International Cinema Technology Association | 国际电影技术协会 |
| ICTA | Illinois Christmas Tree Association | 伊利诺伊州圣诞树协会 |
| ICTA | Indian Coffee Traders' Association | 印度的咖啡商协会 |
| ICTA | Independent Cable and Television Association | 独立有线电视协会 |
| ICTA | Idaho Cable Telecommunications Association | 爱达荷州有线电信协会 |
| ICTA | Industry Council on Tangible Assets | 有形资产行业委员会 |
| ICTA | International Confederation for Thermal Analysis (now ICTAC) | 国际热分析联合会（现ICTAC） |
| ICTA | Income & Corporation Tax Act 1988 (UK) | 企业所得税法及1988年(英国) |
| ICTA | Instituto de Ciencia y TecnologÍa AgrÍcola, MAGA | Instituto de Ciencia y TecnologÍa AgrÍcola, MAGA |
| ICTA | Information & Communications Technology Authority (Grand Cayman, Cayman Islands) | 信息与通信技术机构(大鳄鱼、开曼群岛) |
| ICTA | International Center for Technology Assessment | 国际技术评估中心 |
| ICTA | Instituto de Ciencia y Technologia Agricloas (Guatemala) | 农业技术研究所（危地马拉） |
| ICTA | International Criminal Tribunal for Afghanistan | 阿富汗问题国际刑事法庭 |
| ICTA | Imperial College of Tropical Agriculture | 帝国热带农业学院 |