John George Miles (17 Jan 1838 – 20 December 1884) was a 19th-century Member of Parliament in Nelson, New Zealand. Miles was born in 1838 in Finsbury, London, the son of John Hamilton Miles and Mary Smith. He arrived in Nelson, New Zealand around 1853 and farmed near the town. He married Alice Harriott Smith on 20 September 1860 at Spring Grove (located between Brightwater and Wakefield), Waimea, New Zealand. Their son Bramston Hamilton Miles was born on 22 February 1863, but his wife died three weeks later from childbirth complications on 14 March.