John Anderson Gilfillan (19 September 1821 – 1 February 1875) was a member of the New Zealand Legislative Council.
After his health did not recover, he sought advice from Sir James Clark, 1st Baronet, the Queen Victoria's physician, who recommended a change in climate and relocation to either Egypt or New Zealand.
After a short period in Wellington, he briefly returned to England for business arrangements, and then settled in Auckland, where he arrived on 17 April 1849.
He represented the Suburbs of Auckland electorate in the first council, from 20 July 1853 until 25 September 1855.
[4] He was a member of the executive council for three periods (14 March 1854 – 21 January 1855; 8 April 1864 – 4 November 1864; 6 May 1867 – 6 February 1868)[5] and during some of that time, he was Provincial Secretary.