K. T. Linganathan
 Kanthar Thamotharampillai Linganathan (Tamil: கந்தர் தாமோதரம்பிள்ளை லிங்கநாதன்) is a Sri Lankan Tamil politician and provincial councillor.Linganathan was chairman of Vavuniya Urban Council in the late 1990s. He was re-elected to the council at the 2009 local government election but his party the Democratic People's Liberation Front the political wing of the People's Liberation Organisation of Tamil Eelam lost control of the council to the Tamil National Alliance (TNA).