John Markham Carter CBE MC (23 February 1893 – 6 December 1971) was an Australian politician.
He was born at Taungoo in Burma to police chief George Markham Strange Carter and his wife Augusta Laura.
Following the early death of his father he was raised by his grandparents in England, where he attended Bloxham College.
He was at Gallipoli and also served in Palestine; he had the rank of lieutenant and was awarded the Military Cross.
After the war he was a soldier settler, taking land at Gobarralong and later adding property near Gundagai.