'''TNI''' or '''Tni''' may refer to:
* Satna Airport, IATA code TNI * Tahitian Noni International, Inc. * Taqramiut Nipingat Inc., an Inuit broadcasting organization in Quebec, Canada * Telephone Network Interface; see Network interface device (NID) * Indonesian National Armed Forces (''Tentara Nasional Indonesia'') * Texas Neurosciences Institute, a research and neurological clinical center * Thai-Nichi Institute of Technology a private college in Thailand * Transnationality Index * Transnational Institute * ''The National Interest'' * ''The New Inquiry'' *''Trichoplusia ni'', the cabbage looper moth * Trusted News Initiative
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