Thomas Kelly (1830 – 20 September 1921) was a 19th-century Member of Parliament in Taranaki, New Zealand. He represented the Town of New Plymouth electorate from 1869 to 1879, and then the (renamed) New Plymouth electorate from 1879 to 1884, when he was defeated. He then became a member of the Legislative Council from 1892 to 1913. Kelly died at his home in Bell Block on 20 September 1921, and was buried at Te Henui Cemetery.