Newton Ramsay Colter (July 30, 1844 – April 6, 1917) was a physician and political figure in New Brunswick, Canada.
He represented Carleton in the House of Commons of Canada from 1892 to 1896 as a Liberal member.
[1] He was born in Sheffield, New Brunswick, the son of Alexander Colter, a native of Ireland.
Colter was educated at the Sackville Academy and at Harvard University, where he received an M.D.
[2] In 1867, he was licensed to practice by the Royal College of Physicians in London.