| IANA | Internet Assigned Numbers Authority | Internet号分配机构 |
| IANA | Iowa Association of Nurse Anesthetists | 爱荷华护士麻醉师协会 |
| IANA | Intermodal Association of North America | 北美联运协会 |
| IANA | Irish Apheresis Nurses Association | 爱尔兰失语症护士协会 |
| IANA | Indiana Association of Nurse Anesthetists | 印第安纳护士麻醉师协会 |
| IANA | International Academic Nursing Alliance | 国际学术护理联盟 |
| IANA | Indian and Northern Affairs (Canada) | 印度和北方事务（加拿大） |
| IANA | I Am Not A ... (laywer, accountant, doctor, etc.) | 我不是……（外行、会计、医生等） |
| IANA | Islamic Assembly of North America | 北美伊斯兰会议 |
| IANA | I Am Not Alone | 我不是一个人 |
| IANA | International Academy Nutrition & Aging | 国际学院的营养和老化 |
| IANA | I Am Not Afraid | 我不害怕 |