NNT Views 12 meanings found NNT is best known in medicine as the Number Needed to Treat statistic, while in data science it may denote a Nearest Neighbor Tool; the same letters also appear as a place name in Thailand and in informal business slang. Medical Numbers Needed to Treat Number Needed to Treat New National Target Miscellaneous Nesta Neozai And Tausuan Academic & Science Nearest Neighbor Tool Regional Nan, Thailand Computing Nap Network Transport Business NACSE (National Association of Communication Systems Enginee Neat Net Tricks No Nos Tenemos Niagara Nature Tours Needles-N-Things